20=8(-3-7m)-6(6m+8)

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Solution for 20=8(-3-7m)-6(6m+8) equation: 


Simplifying
20 = 8(-3 + -7m) + -6(6m + 8)
20 = (-3 * 8 + -7m * 8) + -6(6m + 8)
20 = (-24 + -56m) + -6(6m + 8)

Reorder the terms:
20 = -24 + -56m + -6(8 + 6m)
20 = -24 + -56m + (8 * -6 + 6m * -6)
20 = -24 + -56m + (-48 + -36m)

Reorder the terms:
20 = -24 + -48 + -56m + -36m

Combine like terms: -24 + -48 = -72
20 = -72 + -56m + -36m

Combine like terms: -56m + -36m = -92m
20 = -72 + -92m

Solving
20 = -72 + -92m

Solving for variable 'm'.

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

Add '92m' to each side of the equation.
20 + 92m = -72 + -92m + 92m

Combine like terms: -92m + 92m = 0
20 + 92m = -72 + 0
20 + 92m = -72

Add '-20' to each side of the equation.
20 + -20 + 92m = -72 + -20

Combine like terms: 20 + -20 = 0
0 + 92m = -72 + -20
92m = -72 + -20

Combine like terms: -72 + -20 = -92
92m = -92

Divide each side by '92'.
m = -1

Simplifying
m = -1

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