74=2(5m+7)+5(-6-8m)

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Solution for 74=2(5m+7)+5(-6-8m) equation:


Simplifying
74 = 2(5m + 7) + 5(-6 + -8m)

Reorder the terms:
74 = 2(7 + 5m) + 5(-6 + -8m)
74 = (7 * 2 + 5m * 2) + 5(-6 + -8m)
74 = (14 + 10m) + 5(-6 + -8m)
74 = 14 + 10m + (-6 * 5 + -8m * 5)
74 = 14 + 10m + (-30 + -40m)

Reorder the terms:
74 = 14 + -30 + 10m + -40m

Combine like terms: 14 + -30 = -16
74 = -16 + 10m + -40m

Combine like terms: 10m + -40m = -30m
74 = -16 + -30m

Solving
74 = -16 + -30m

Solving for variable 'm'.

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

Add '30m' to each side of the equation.
74 + 30m = -16 + -30m + 30m

Combine like terms: -30m + 30m = 0
74 + 30m = -16 + 0
74 + 30m = -16

Add '-74' to each side of the equation.
74 + -74 + 30m = -16 + -74

Combine like terms: 74 + -74 = 0
0 + 30m = -16 + -74
30m = -16 + -74

Combine like terms: -16 + -74 = -90
30m = -90

Divide each side by '30'.
m = -3

Simplifying
m = -3

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