31=3m+7-m

Simple and best practice solution for 31=3m+7-m 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=3m+7-m equation:


Simplifying
31 = 3m + 7 + -1m

Reorder the terms:
31 = 7 + 3m + -1m

Combine like terms: 3m + -1m = 2m
31 = 7 + 2m

Solving
31 = 7 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
31 + -2m = 7 + 2m + -2m

Combine like terms: 2m + -2m = 0
31 + -2m = 7 + 0
31 + -2m = 7

Add '-31' to each side of the equation.
31 + -31 + -2m = 7 + -31

Combine like terms: 31 + -31 = 0
0 + -2m = 7 + -31
-2m = 7 + -31

Combine like terms: 7 + -31 = -24
-2m = -24

Divide each side by '-2'.
m = 12

Simplifying
m = 12

See similar equations:

| 5x+2=6x-(x+7) | | -3(-8+5)=129 | | 2x+7=2x+1 | | 2(3x-9)=42 | | 9a+26=2+6 | | 5k-8-k=48 | | A*4+4=13 | | 3(c-11)=36 | | 4x-19=2x+17 | | u-4y+3=-30 | | 9m+10=91 | | 2(1x-5)=8 | | -3(-8+5x)=129 | | 5.4+1.6x=4(6.4+3.6) | | -x+10=6x-4 | | 4x-9=1x | | 4x-4+10x-26=180 | | y-4=4(x+2) | | 2x+3-9x-12= | | -6(3x+2)=-12 | | -4x-5y=35 | | -7(1x+7)=-112 | | 8x^2+2x+5=0 | | 3(x+11)=6x+33 | | 13x+6y=332 | | -7(1x+7)=54 | | X-(4-x)=1 | | 7(-4x-7)=-273 | | 3p+p=-2 | | 5p+12=8x | | 7X+8=5X+42 | | 5(a-7)=75 |

Equations solver categories