4(1-m)=-20

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Solution for 4(1-m)=-20 equation: 


Simplifying
4(1 + -1m) = -20
(1 * 4 + -1m * 4) = -20
(4 + -4m) = -20

Solving
4 + -4m = -20

Solving for variable 'm'.

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

Add '-4' to each side of the equation.
4 + -4 + -4m = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -4m = -20 + -4
-4m = -20 + -4

Combine like terms: -20 + -4 = -24
-4m = -24

Divide each side by '-4'.
m = 6

Simplifying
m = 6

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