-3-9m=-21

Simple and best practice solution for -3-9m=-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 -3-9m=-21 equation: 


Simplifying
-3 + -9m = -21

Solving
-3 + -9m = -21

Solving for variable 'm'.

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

Add '3' to each side of the equation.
-3 + 3 + -9m = -21 + 3

Combine like terms: -3 + 3 = 0
0 + -9m = -21 + 3
-9m = -21 + 3

Combine like terms: -21 + 3 = -18
-9m = -18

Divide each side by '-9'.
m = 2

Simplifying
m = 2

See similar equations:

| v^2-4v-15=0 | | -3(2x-4)=3(x-2) | | 6=-4n+7n | | 12r^4s^2+6r^3s^2-6r^2s^2=0 | | 5(2y+1)=15 | | x^2-a^2=0 | | (3t+2)8= | | y/7-5/3 | | (x-6)(x-5)= | | 3(7-9x)-5(5x-1)=-8(9x-4) | | -3+15=14x-2-13x | | 2-.6(t-10)=.9(9t-10) | | 77=11-11p | | -7=10-g/-2 | | 0.6m+2.4-0.3m=1.2 | | 15=2-(y+10) | | z/6=z/5+6 | | (5x-11)+(-7x+34)= | | -p=-10 | | 4(3+3x)-5=19 | | 1/4-5/3=m/12 | | -3(3x+15)=35 | | 0.6+2.4-.3m=9.8 | | 2(p+2)=4-p | | 6-c=28 | | -6-13=83 | | 46+0.4167x=100 | | A/3-2/3=41/3 | | x^7=36x^5 | | 18/(2x)=81 | | -14=x+10 | | 1/2d-8=-10 |

Equations solver categories