5m-2(8m+9)=2m+21

Simple and best practice solution for 5m-2(8m+9)=2m+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 5m-2(8m+9)=2m+21 equation:


Simplifying
5m + -2(8m + 9) = 2m + 21

Reorder the terms:
5m + -2(9 + 8m) = 2m + 21
5m + (9 * -2 + 8m * -2) = 2m + 21
5m + (-18 + -16m) = 2m + 21

Reorder the terms:
-18 + 5m + -16m = 2m + 21

Combine like terms: 5m + -16m = -11m
-18 + -11m = 2m + 21

Reorder the terms:
-18 + -11m = 21 + 2m

Solving
-18 + -11m = 21 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-18 + -11m + -2m = 21 + 2m + -2m

Combine like terms: -11m + -2m = -13m
-18 + -13m = 21 + 2m + -2m

Combine like terms: 2m + -2m = 0
-18 + -13m = 21 + 0
-18 + -13m = 21

Add '18' to each side of the equation.
-18 + 18 + -13m = 21 + 18

Combine like terms: -18 + 18 = 0
0 + -13m = 21 + 18
-13m = 21 + 18

Combine like terms: 21 + 18 = 39
-13m = 39

Divide each side by '-13'.
m = -3

Simplifying
m = -3

See similar equations:

| 22x=7 | | -2=t/3-11 | | 22=7 | | 2(2y-3)=6 | | 15x+15y=10 | | 12x-10=40 | | 8+5(9q-4)=7(q-12) | | 2(s+3)+4s+5=148 | | -5+3=5s+21 | | X-6y=-12 | | 13+6=67 | | 52(x)=-174.69 | | 29-3s=46s-69 | | 0=18x^2-6x-4 | | 42-9=140 | | 90+2x=52 | | 2x+10=20-3x | | 42-140=9 | | -18+5x=-2x-1 | | 7x+4=4x-5x+16 | | 10n=150 | | 5-2=7 | | 20r=320 | | 4x+7y=18 | | 8v=96 | | 3x+9=4x-7 | | .5x+6=-12 | | 15=4x-53 | | 5a+6=10+4a | | 3z+7=19 | | 4x^2+12x+9=169 | | 5y+7=1-7 |

Equations solver categories