-5m+9-9(m-4)=6m-(8m-7)-7m+8

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Solution for -5m+9-9(m-4)=6m-(8m-7)-7m+8 equation:


Simplifying
-5m + 9 + -9(m + -4) = 6m + -1(8m + -7) + -7m + 8

Reorder the terms:
-5m + 9 + -9(-4 + m) = 6m + -1(8m + -7) + -7m + 8
-5m + 9 + (-4 * -9 + m * -9) = 6m + -1(8m + -7) + -7m + 8
-5m + 9 + (36 + -9m) = 6m + -1(8m + -7) + -7m + 8

Reorder the terms:
9 + 36 + -5m + -9m = 6m + -1(8m + -7) + -7m + 8

Combine like terms: 9 + 36 = 45
45 + -5m + -9m = 6m + -1(8m + -7) + -7m + 8

Combine like terms: -5m + -9m = -14m
45 + -14m = 6m + -1(8m + -7) + -7m + 8

Reorder the terms:
45 + -14m = 6m + -1(-7 + 8m) + -7m + 8
45 + -14m = 6m + (-7 * -1 + 8m * -1) + -7m + 8
45 + -14m = 6m + (7 + -8m) + -7m + 8

Reorder the terms:
45 + -14m = 7 + 8 + 6m + -8m + -7m

Combine like terms: 7 + 8 = 15
45 + -14m = 15 + 6m + -8m + -7m

Combine like terms: 6m + -8m = -2m
45 + -14m = 15 + -2m + -7m

Combine like terms: -2m + -7m = -9m
45 + -14m = 15 + -9m

Solving
45 + -14m = 15 + -9m

Solving for variable 'm'.

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

Add '9m' to each side of the equation.
45 + -14m + 9m = 15 + -9m + 9m

Combine like terms: -14m + 9m = -5m
45 + -5m = 15 + -9m + 9m

Combine like terms: -9m + 9m = 0
45 + -5m = 15 + 0
45 + -5m = 15

Add '-45' to each side of the equation.
45 + -45 + -5m = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -5m = 15 + -45
-5m = 15 + -45

Combine like terms: 15 + -45 = -30
-5m = -30

Divide each side by '-5'.
m = 6

Simplifying
m = 6

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