-7m+21=81

Simple and best practice solution for -7m+21=81 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 -7m+21=81 equation: 


Simplifying
-7m + 21 = 81

Reorder the terms:
21 + -7m = 81

Solving
21 + -7m = 81

Solving for variable 'm'.

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

Add '-21' to each side of the equation.
21 + -21 + -7m = 81 + -21

Combine like terms: 21 + -21 = 0
0 + -7m = 81 + -21
-7m = 81 + -21

Combine like terms: 81 + -21 = 60
-7m = 60

Divide each side by '-7'.
m = -8.571428571

Simplifying
m = -8.571428571

See similar equations:

| 2h-2=8 | | 2(x-2)=21 | | (6b+1)(5)= | | 3x+3-2=20 | | -.4x=.68 | | 9d+180=-9 | | 2m+9=1 | | x=5x+x+2 | | 5+3y=17 | | Qx+12=13x+P | | 35x=5x^2 | | 6y+1+21y+13=180 | | 2n-6=10-14 | | x+8+7x-16+4x= | | 63x+7= | | 3y-y+1=7 | | 24+10x+w^2=0 | | -6=.67n | | 2(2x)-(-3)=-2 | | 4y^2-y-33=0 | | 5=2r-3 | | 8=-2x+4 | | r^2+4r+8=8 | | -3(-8v+8)-9v=3(v-9)-5 | | 5x-2(x-4)=-2+5x-4 | | -5y=-10y-6 | | 4s-4s=1 | | 10=4+2s | | 17-3p=8 | | -3x-10=-32 | | 3v+10=19 | | 10y=7x-6 |

Equations solver categories