3x-31=8x+9

Simple and best practice solution for 3x-31=8x+9 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 3x-31=8x+9 equation:


Simplifying
3x + -31 = 8x + 9

Reorder the terms:
-31 + 3x = 8x + 9

Reorder the terms:
-31 + 3x = 9 + 8x

Solving
-31 + 3x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-31 + 3x + -8x = 9 + 8x + -8x

Combine like terms: 3x + -8x = -5x
-31 + -5x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
-31 + -5x = 9 + 0
-31 + -5x = 9

Add '31' to each side of the equation.
-31 + 31 + -5x = 9 + 31

Combine like terms: -31 + 31 = 0
0 + -5x = 9 + 31
-5x = 9 + 31

Combine like terms: 9 + 31 = 40
-5x = 40

Divide each side by '-5'.
x = -8

Simplifying
x = -8

See similar equations:

| (2cx-2ac)(a+b)=x | | 4/3t=-3/4 | | Y/2-4=26 | | X-8+9=4 | | Z-7-4=10 | | 1/5(-10x-2) | | 3(r-1)=-(6-2r) | | 1/2m^2=1/m-1/2 | | A/6= | | (3a-5b+c)-(4a-5b+6c)= | | 18x-150=30 | | S=Baj | | 39-4x=2x | | 56478392=5849x+67584930 | | 5x-10x*[3-4]+5x= | | 3x+1.4=4.7 | | 99x+23=100 | | -5000+550x-5x^2=0 | | 23x+45=12 | | 2(3x+8)=-44+18 | | (X/4)^3 | | 44x+345=34 | | 4x+34=12 | | 3/8k-1/2=1/5 | | 7x-17+2x+8=180 | | -2(x+4)=-40 | | 4+4=x-1 | | -12+x=5 | | -9=2+v | | 2x+9=8-(8x-4) | | 16a=8-(a+9) | | 2×f=2×1/2 |

Equations solver categories