Education FAQ
How Do You Solve Linear Equation X=4+3y?
You have not indicated what solution you seek. The equation for x can be rearranged to pass an equation for y. x = 4 + 3y x - 4 = 3y (subtract 4 from both sides) x/3 - 4/3 = y (divide both sides by 3)
How Do You Solve Linear Equation X-y=3 And X+2y=-6?
The two linear equations are; x - y = 3 --------------(a) x + 2y = -6 --------------- (b) From equation (a) x = Y + 3 Put in equation (b) y + 3 + 2y = -6 3y +...
How Do You Solve Linear Equations?
Linear equation #1: steps to solve 2x + 4 = 10 math 1. Isolate "x" to one side of the equation by subtracting 4 from both sides: 2x + 4 - 4 = 10 - 4 2x = 6 2. Divide both sides by 2: 2x /...
How Do You Solve Log7[(x-2)]=2?
Log7[(x-2)]=2 The given function is a logarithm function in variable x. Taking anti-log on both sides Anti-log*Log7[(x-2)]=Anti-log 2 7[(x-2)]=Anti-log *2 7x - 14 = Anti-log* 2 7x - 14 = 100 Add 14 on both sides of the equation 7x - 14 +...
How Do You Solve M - (-4) =7?
The opposite of number n is -n. And the opposite of number -n is n. Example: The opposite of 4 is -4, and the conflicting of -4 is 4. When you subtract a number, you are doing exactly the same thing with exactly like effect as adding...
How Do You Solve Percent Proportions?
I am new to blurtit and would like to ask. You eat pie and call for it a draw. ( : Ok its really simple..ok for example say we had a problem like ex.24 is what percent of 120? So you,d hold to set it up like...
How Do You Solve Probability Problems?
Normal blood pressures total of 17 under 30 years of age total 217 normal BP under the age of 30 P[normal blood pressure/under 30 years of age] Normal blood pressure is 17 out of X of below 30yrs age Divide 17/x= probability!
How Do You Solve Problems In The Form Of X^2=d?
X 2 = d take the square root of both sides sqrt (x 2) = sqrt(d) X = sqrt(d)
How Do You Solve Proportion Problems?
Multiply or divide as required to isolate the variable. Evaluate the resulting expression. Example 21/4 = x/7 21*7/4 = x (multiply both sides by 7) 36 3/4 = x (evaluate)
How Do You Solve Sec(-x)cot X?
It is a question of trigonometric functions. Sec(-x)cot X since Secx= 1/Cos x So, Sec(-x)cot X= 1/ Cos(-x) Cot x as Cos(-x)= Cosx, So Sec(-x)cot X=1/Cosx Cotx Put Cotx= Cos x/ Sinx, we get Sec(-x)cot X= 1/Cosx * Cos x/ Sin x Sec(-x)cot X=Cosx/...
How Do You Solve Square Root Of X+20-x=0?
Let y=√x, rewrite it as a quadratic equation, and solve in the usual way. (√x) + 20 - x = 0 y + 20 - y2 = 0 y2 - y - 20 = 0 (y-5)(y+4) = 0 y = 5 or y = -4 From our definition...
How Do You Solve Substitution Y=4x X+y=5?
Simultaneous Equations. Y=4x & x+y=5 Rearrange the second so that we get Y isolated, y=4x & y=5-x That means that: 4x=5-x Now you can solve for x: 4x=5-x 5x=5 THerefore x = 1 Now that you know x, you can...
How Do You Solve Systems Of Inequalities?
First, you have to consider what you mean by a solution. Unlike a system of equalities, which may have a point solution, a system of inequalities defines a multidimensional region surrounded by the variable space. Typically, the solution would consist of a set of inequalities that define the boundaries...
How Do You Solve T2/3=4 ?
Please help me solve t2/3=4 show work If the problem is t 2 /3=4, then you start as Xarsh suggested: You multiply by 3. That will give t 2 =4(3). To find t, after you need to take the square root of both sides. Doing that gives sqrt(t...
How Do You Solve The Algebra Question? -2x-4
The question is: -2x-4 Taking common: -2(x+2) This is the simplest form of this expression On the other hand if the give somebody the third degree had an equal to 0 at the end;we would it as: -2x-4=0 Shifting -4 to the other side: -2x=4 Dividing:...
How Do You Solve The Area Of A Rectangle With A Length Of 7.5in?
To solve the area of a rectangle you usually need the width. Then you would multiply the length by the distance.
How Do You Solve The Equation (x+2)(x-1)=0?
When the product of two factors is zero, it means that one or the other or both of the factor is zero. x+2 = 0 x = -2 (subtract 2 from both sides) x-1 = 0 x = 1 (add 1 to both sides) The equation has two...
How Do You Solve The Equation 2/3x = 1 5/7?
1 5/7 is an improper fraction it can be written as a proper fraction as: 1 5/7 = 12/7 So the question can be rewritten as: 2/3x=12/7 cross multiplying 7(2)=12(3x) expanding 14=36x dividing x=14/36 which is: x=7/18
How Do You Solve The Equation 30b^2-126b=-24 By Factoring?
I need to find the solution to the problem 30b^2-126b=-24 by factoring the equation. 30b^2 - 126b = - 24 Solution 30b^2 - 126b = - 24 30b^2 - 126b + 24 = 0 Taking common 6 ( 5b^2 - 21b + 4 ) =...
How Do You Solve The Equation 4/9n + 1/3 =5, When Having To Multiply...
(4/9)n + (1/3) = 5 9*(4/9)n + 9*(1/3) = 9*5 ( multiply both sides by 9 ) (9*4/9)n + (9*1/3) = 45 (do one step of evaluation) (36/9)n + (9/3) = 45 (do one step of evaluation) 4n + 3 = 45 (do one...