15=5(1-m)-2(1-m)

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Solution for 15=5(1-m)-2(1-m) equation:


Simplifying
15 = 5(1 + -1m) + -2(1 + -1m)
15 = (1 * 5 + -1m * 5) + -2(1 + -1m)
15 = (5 + -5m) + -2(1 + -1m)
15 = 5 + -5m + (1 * -2 + -1m * -2)
15 = 5 + -5m + (-2 + 2m)

Reorder the terms:
15 = 5 + -2 + -5m + 2m

Combine like terms: 5 + -2 = 3
15 = 3 + -5m + 2m

Combine like terms: -5m + 2m = -3m
15 = 3 + -3m

Solving
15 = 3 + -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
15 + 3m = 3 + -3m + 3m

Combine like terms: -3m + 3m = 0
15 + 3m = 3 + 0
15 + 3m = 3

Add '-15' to each side of the equation.
15 + -15 + 3m = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 3m = 3 + -15
3m = 3 + -15

Combine like terms: 3 + -15 = -12
3m = -12

Divide each side by '3'.
m = -4

Simplifying
m = -4

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