8(-1-m)=5m-21

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Solution for 8(-1-m)=5m-21 equation:


Simplifying
8(-1 + -1m) = 5m + -21
(-1 * 8 + -1m * 8) = 5m + -21
(-8 + -8m) = 5m + -21

Reorder the terms:
-8 + -8m = -21 + 5m

Solving
-8 + -8m = -21 + 5m

Solving for variable 'm'.

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

Add '-5m' to each side of the equation.
-8 + -8m + -5m = -21 + 5m + -5m

Combine like terms: -8m + -5m = -13m
-8 + -13m = -21 + 5m + -5m

Combine like terms: 5m + -5m = 0
-8 + -13m = -21 + 0
-8 + -13m = -21

Add '8' to each side of the equation.
-8 + 8 + -13m = -21 + 8

Combine like terms: -8 + 8 = 0
0 + -13m = -21 + 8
-13m = -21 + 8

Combine like terms: -21 + 8 = -13
-13m = -13

Divide each side by '-13'.
m = 1

Simplifying
m = 1

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