15=5-2(4m+7)

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Solution for 15=5-2(4m+7) equation:


Simplifying
15 = 5 + -2(4m + 7)

Reorder the terms:
15 = 5 + -2(7 + 4m)
15 = 5 + (7 * -2 + 4m * -2)
15 = 5 + (-14 + -8m)

Combine like terms: 5 + -14 = -9
15 = -9 + -8m

Solving
15 = -9 + -8m

Solving for variable 'm'.

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

Add '8m' to each side of the equation.
15 + 8m = -9 + -8m + 8m

Combine like terms: -8m + 8m = 0
15 + 8m = -9 + 0
15 + 8m = -9

Add '-15' to each side of the equation.
15 + -15 + 8m = -9 + -15

Combine like terms: 15 + -15 = 0
0 + 8m = -9 + -15
8m = -9 + -15

Combine like terms: -9 + -15 = -24
8m = -24

Divide each side by '8'.
m = -3

Simplifying
m = -3

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