20=-4(1-m)

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


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

Solving
20 = -4 + 4m

Solving for variable 'm'.

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

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

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

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

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

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

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

Simplifying
m = 6

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