7=7m-21

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


Simplifying
7 = 7m + -21

Reorder the terms:
7 = -21 + 7m

Solving
7 = -21 + 7m

Solving for variable 'm'.

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

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

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

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

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

Combine like terms: -21 + -7 = -28
-7m = -28

Divide each side by '-7'.
m = 4

Simplifying
m = 4

See similar equations:

| 4(0)-5=y | | -200=06s | | (-2x)*(1/2x)= | | -2x*(1/2x | | 49s^2+36w^2+84sw= | | x+3logx=0 | | -4=-9x | | 3+2y=-2 | | x+2(2)=-2 | | 9x^2=12x+2 | | =5250 | | 525x+250y=5250 | | 4x^3=300 | | x-3(3)=-9 | | 525x+250y=0 | | 3-3y=-9 | | 1-3y=-9 | | 4x^3-68x^2+280x-200=0 | | x-44=3x-24 | | x-3(0)=-3 | | 1-3y=-3 | | 6k+4=4k+8 | | y=10(-4) | | y=10(0) | | (x+3)(2x+1)(x+2)= | | log(x^2-2)=0 | | d=1/2(32.2·3.2)^2 | | x+3(3)=-3 | | 5(5)-6=y | | 5(0)-6=y | | 2k-2/3=1/6 | | 3.50+.85x=8.60 |

Equations solver categories