31-16=3(x-7)

Simple and best practice solution for 31-16=3(x-7) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 31-16=3(x-7) equation: 


Simplifying
31 + -16 = 3(x + -7)

Combine like terms: 31 + -16 = 15
15 = 3(x + -7)

Reorder the terms:
15 = 3(-7 + x)
15 = (-7 * 3 + x * 3)
15 = (-21 + 3x)

Solving
15 = -21 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.
15 + -3x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
15 + -3x = -21 + 0
15 + -3x = -21

Add '-15' to each side of the equation.
15 + -15 + -3x = -21 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = -21 + -15
-3x = -21 + -15

Combine like terms: -21 + -15 = -36
-3x = -36

Divide each side by '-3'.
x = 12

Simplifying
x = 12

See similar equations:

| 4m+.375=8.375 | | 10x^2-26x=-12 | | -5p-3p+4=36 | | X-1.41421356237=-0.75 | | x+-7=3x+7 | | 12=3x/2 | | 5c-8=2 | | 6v=792 | | -9[6+9(-6+9)]+15= | | .5k=.75k-.5 | | 18x*2=15x | | 3-12n=(2) | | -5.9a-5.5=12.2 | | 6x-4=20-2x | | 6x-8x+4=4x | | 7x+6=8-x-2 | | 7x-8-2x=64-3x | | 8p*q-4p=0 | | 5a+3=a+8 | | 9x-12=7x-6 | | 3x+5x-x=56 | | (3x+4)(2x-1)=0 | | 6x+3x-4=32 | | 7*5= | | y-3y=-10 | | a-0.04=240 | | 81x^2-18x+1=0 | | 2(x+1)+6=20-3x | | 7y=37 | | (X-5)(x+2)=-6 | | 10x+8=12x-10 | | 3.00=.39r+.24r |

Equations solver categories