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

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


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

Reorder the terms:
-15 = -5(5 + m) + 2(m + 2)
-15 = (5 * -5 + m * -5) + 2(m + 2)
-15 = (-25 + -5m) + 2(m + 2)

Reorder the terms:
-15 = -25 + -5m + 2(2 + m)
-15 = -25 + -5m + (2 * 2 + m * 2)
-15 = -25 + -5m + (4 + 2m)

Reorder the terms:
-15 = -25 + 4 + -5m + 2m

Combine like terms: -25 + 4 = -21
-15 = -21 + -5m + 2m

Combine like terms: -5m + 2m = -3m
-15 = -21 + -3m

Solving
-15 = -21 + -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 = -21 + -3m + 3m

Combine like terms: -3m + 3m = 0
-15 + 3m = -21 + 0
-15 + 3m = -21

Add '15' to each side of the equation.
-15 + 15 + 3m = -21 + 15

Combine like terms: -15 + 15 = 0
0 + 3m = -21 + 15
3m = -21 + 15

Combine like terms: -21 + 15 = -6
3m = -6

Divide each side by '3'.
m = -2

Simplifying
m = -2

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