4(-5m-5)=28-8m

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Solution for 4(-5m-5)=28-8m equation:


Simplifying
4(-5m + -5) = 28 + -8m

Reorder the terms:
4(-5 + -5m) = 28 + -8m
(-5 * 4 + -5m * 4) = 28 + -8m
(-20 + -20m) = 28 + -8m

Solving
-20 + -20m = 28 + -8m

Solving for variable 'm'.

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

Add '8m' to each side of the equation.
-20 + -20m + 8m = 28 + -8m + 8m

Combine like terms: -20m + 8m = -12m
-20 + -12m = 28 + -8m + 8m

Combine like terms: -8m + 8m = 0
-20 + -12m = 28 + 0
-20 + -12m = 28

Add '20' to each side of the equation.
-20 + 20 + -12m = 28 + 20

Combine like terms: -20 + 20 = 0
0 + -12m = 28 + 20
-12m = 28 + 20

Combine like terms: 28 + 20 = 48
-12m = 48

Divide each side by '-12'.
m = -4

Simplifying
m = -4

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