-84=-4(5-4m)

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Solution for -84=-4(5-4m) equation:


Simplifying
-84 = -4(5 + -4m)
-84 = (5 * -4 + -4m * -4)
-84 = (-20 + 16m)

Solving
-84 = -20 + 16m

Solving for variable 'm'.

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

Add '-16m' to each side of the equation.
-84 + -16m = -20 + 16m + -16m

Combine like terms: 16m + -16m = 0
-84 + -16m = -20 + 0
-84 + -16m = -20

Add '84' to each side of the equation.
-84 + 84 + -16m = -20 + 84

Combine like terms: -84 + 84 = 0
0 + -16m = -20 + 84
-16m = -20 + 84

Combine like terms: -20 + 84 = 64
-16m = 64

Divide each side by '-16'.
m = -4

Simplifying
m = -4

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