m+12+4m=21

Simple and best practice solution for m+12+4m=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 m+12+4m=21 equation:


Simplifying
m + 12 + 4m = 21

Reorder the terms:
12 + m + 4m = 21

Combine like terms: m + 4m = 5m
12 + 5m = 21

Solving
12 + 5m = 21

Solving for variable 'm'.

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

Add '-12' to each side of the equation.
12 + -12 + 5m = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 5m = 21 + -12
5m = 21 + -12

Combine like terms: 21 + -12 = 9
5m = 9

Divide each side by '5'.
m = 1.8

Simplifying
m = 1.8

See similar equations:

| -x-7=-4x-43 | | 3v+9+v=19 | | v+8+3v=20 | | 10v+12-4v=24 | | f(x)=-2x^2+3x-2 | | Mn+mn+mn= | | 5/4(f-32)=-62.1 | | N+415=900-265 | | 11*x=28 | | 297-154=n+55 | | 1096-678=n+200 | | x+z=3y | | 35-n=7 | | 90+178=n+18+60 | | -7b+5b=-3b+10 | | y=3cos(0.26(x-8))+22 | | 6r^2-14r-15=0 | | 0.8=-1.2sin(2t)+0.8cos(t) | | 5x+-8=2x+4 | | N+25-15=155 | | 0.8=-1.2cos(2t)+0.8cos(t) | | 5x+-4=2x+4 | | 12x+13y=1920 | | 2X-21=39+5X | | 6x+7y=1920 | | 3x^3+5x^2-400d-18000=0 | | f(x)=3sin(x) | | -x^2-10x-4=0 | | 2x+10-3=5x-10 | | ax-5x=5ac | | -4.5+2(67)=-6 | | f(x)=log(x)+2 |

Equations solver categories