-5(8-m)=20

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Solution for -5(8-m)=20 equation: 


Simplifying
-5(8 + -1m) = 20
(8 * -5 + -1m * -5) = 20
(-40 + 5m) = 20

Solving
-40 + 5m = 20

Solving for variable 'm'.

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

Add '40' to each side of the equation.
-40 + 40 + 5m = 20 + 40

Combine like terms: -40 + 40 = 0
0 + 5m = 20 + 40
5m = 20 + 40

Combine like terms: 20 + 40 = 60
5m = 60

Divide each side by '5'.
m = 12

Simplifying
m = 12

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