-5m+66-3(m-4)=8m-(4m-8)-3m+7

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Solution for -5m+66-3(m-4)=8m-(4m-8)-3m+7 equation:


Simplifying
-5m + 66 + -3(m + -4) = 8m + -1(4m + -8) + -3m + 7

Reorder the terms:
-5m + 66 + -3(-4 + m) = 8m + -1(4m + -8) + -3m + 7
-5m + 66 + (-4 * -3 + m * -3) = 8m + -1(4m + -8) + -3m + 7
-5m + 66 + (12 + -3m) = 8m + -1(4m + -8) + -3m + 7

Reorder the terms:
66 + 12 + -5m + -3m = 8m + -1(4m + -8) + -3m + 7

Combine like terms: 66 + 12 = 78
78 + -5m + -3m = 8m + -1(4m + -8) + -3m + 7

Combine like terms: -5m + -3m = -8m
78 + -8m = 8m + -1(4m + -8) + -3m + 7

Reorder the terms:
78 + -8m = 8m + -1(-8 + 4m) + -3m + 7
78 + -8m = 8m + (-8 * -1 + 4m * -1) + -3m + 7
78 + -8m = 8m + (8 + -4m) + -3m + 7

Reorder the terms:
78 + -8m = 8 + 7 + 8m + -4m + -3m

Combine like terms: 8 + 7 = 15
78 + -8m = 15 + 8m + -4m + -3m

Combine like terms: 8m + -4m = 4m
78 + -8m = 15 + 4m + -3m

Combine like terms: 4m + -3m = 1m
78 + -8m = 15 + 1m

Solving
78 + -8m = 15 + 1m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
78 + -8m + -1m = 15 + 1m + -1m

Combine like terms: -8m + -1m = -9m
78 + -9m = 15 + 1m + -1m

Combine like terms: 1m + -1m = 0
78 + -9m = 15 + 0
78 + -9m = 15

Add '-78' to each side of the equation.
78 + -78 + -9m = 15 + -78

Combine like terms: 78 + -78 = 0
0 + -9m = 15 + -78
-9m = 15 + -78

Combine like terms: 15 + -78 = -63
-9m = -63

Divide each side by '-9'.
m = 7

Simplifying
m = 7

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