21=-5m-3(4-2m)

Simple and best practice solution for 21=-5m-3(4-2m) 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 21=-5m-3(4-2m) equation:


Simplifying
21 = -5m + -3(4 + -2m)
21 = -5m + (4 * -3 + -2m * -3)
21 = -5m + (-12 + 6m)

Reorder the terms:
21 = -12 + -5m + 6m

Combine like terms: -5m + 6m = 1m
21 = -12 + 1m

Solving
21 = -12 + 1m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
21 + -1m = -12 + 1m + -1m

Combine like terms: 1m + -1m = 0
21 + -1m = -12 + 0
21 + -1m = -12

Add '-21' to each side of the equation.
21 + -21 + -1m = -12 + -21

Combine like terms: 21 + -21 = 0
0 + -1m = -12 + -21
-1m = -12 + -21

Combine like terms: -12 + -21 = -33
-1m = -33

Divide each side by '-1'.
m = 33

Simplifying
m = 33

See similar equations:

| (216n^6)^1/3 | | 176=8(1+3r)-3r | | 3(6w+2)-4(4w-8)+7w-12= | | 8+2(7n+1)=94 | | -5v+48=-8(v-3) | | -10-2n-10=8+5n | | -27=7-4c | | 17-9y=-3+6y | | 2(x+3)+5x=76 | | y=4(-2)+7 | | x+2/18=60 | | 2x+7+7x=-47 | | 3r^3-18r^2-48r=0 | | 5t+10-2=6t-9 | | 0=0.75-0.4x | | 196=6m+4(5-7m) | | x+(4-x)=2x | | 12[x+3]-3x=117 | | Y+30=12y-13 | | 8+2(7n+2)=94 | | 100r^2+3=84 | | -x/5+4/5=2/15 | | -9-9p=7-5p | | 7/5x=22 | | 40a^2-5a=0 | | 2(w+4)-4w=-4 | | -4v-5=v | | 4x-82=-6+118 | | 20a^2-5a=0 | | a^2-3a=88 | | 14x+44.8=7 | | 8-a=3(a-8) |

Equations solver categories