-3(7-m)-4m=8(2m+8)

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Solution for -3(7-m)-4m=8(2m+8) equation:


Simplifying
-3(7 + -1m) + -4m = 8(2m + 8)
(7 * -3 + -1m * -3) + -4m = 8(2m + 8)
(-21 + 3m) + -4m = 8(2m + 8)

Combine like terms: 3m + -4m = -1m
-21 + -1m = 8(2m + 8)

Reorder the terms:
-21 + -1m = 8(8 + 2m)
-21 + -1m = (8 * 8 + 2m * 8)
-21 + -1m = (64 + 16m)

Solving
-21 + -1m = 64 + 16m

Solving for variable 'm'.

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

Add '-16m' to each side of the equation.
-21 + -1m + -16m = 64 + 16m + -16m

Combine like terms: -1m + -16m = -17m
-21 + -17m = 64 + 16m + -16m

Combine like terms: 16m + -16m = 0
-21 + -17m = 64 + 0
-21 + -17m = 64

Add '21' to each side of the equation.
-21 + 21 + -17m = 64 + 21

Combine like terms: -21 + 21 = 0
0 + -17m = 64 + 21
-17m = 64 + 21

Combine like terms: 64 + 21 = 85
-17m = 85

Divide each side by '-17'.
m = -5

Simplifying
m = -5

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