-3m-12=21

Simple and best practice solution for -3m-12=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 -3m-12=21 equation: 


Simplifying
-3m + -12 = 21

Reorder the terms:
-12 + -3m = 21

Solving
-12 + -3m = 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 + -3m = 21 + 12

Combine like terms: -12 + 12 = 0
0 + -3m = 21 + 12
-3m = 21 + 12

Combine like terms: 21 + 12 = 33
-3m = 33

Divide each side by '-3'.
m = -11

Simplifying
m = -11

See similar equations:

| 2x+6+3=3(2x+11) | | 7/6x=9/10 | | 3x+18=5x-42 | | -2(8+3x)=6x+2 | | 15+X=2*(60+X) | | 2(5x+3-2x)=x+1 | | 15+X=4*(60+X) | | 15+X=3*(60+X) | | 15+X=3*(60X) | | 2x+4y=19 | | 5y=7-x | | -8z+2(z+4)=-58 | | -8x+x=-9x+76 | | 4(3x-5)=5+12x-20 | | 4(x+3)/6+15(2x-1)/6=30(x-1)/6 | | X+7-5x=-13 | | F^2-18f+81=0 | | 5(4+m)=3(m+2) | | 3x-2[3x+0.5]=1 | | 7y=21+2x | | 3/4b-14=5 | | 10/8+(-3) | | 3x-9(x+4)=-58 | | 23=50n | | -4/7x-12=-40 | | 7x-6(x+4)=29 | | 3x-9(x+4)=-114 | | 4z^2+96z-100=0 | | 6-3x=5(2-x)+2x | | X-(2/100X)=11298.50 | | 3x*2+20x+36=4 | | 4y-7(y-5)=38 |

Equations solver categories