-5(m-7)+7(3m+4)=15(m+5)-8

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Solution for -5(m-7)+7(3m+4)=15(m+5)-8 equation:


Simplifying
-5(m + -7) + 7(3m + 4) = 15(m + 5) + -8

Reorder the terms:
-5(-7 + m) + 7(3m + 4) = 15(m + 5) + -8
(-7 * -5 + m * -5) + 7(3m + 4) = 15(m + 5) + -8
(35 + -5m) + 7(3m + 4) = 15(m + 5) + -8

Reorder the terms:
35 + -5m + 7(4 + 3m) = 15(m + 5) + -8
35 + -5m + (4 * 7 + 3m * 7) = 15(m + 5) + -8
35 + -5m + (28 + 21m) = 15(m + 5) + -8

Reorder the terms:
35 + 28 + -5m + 21m = 15(m + 5) + -8

Combine like terms: 35 + 28 = 63
63 + -5m + 21m = 15(m + 5) + -8

Combine like terms: -5m + 21m = 16m
63 + 16m = 15(m + 5) + -8

Reorder the terms:
63 + 16m = 15(5 + m) + -8
63 + 16m = (5 * 15 + m * 15) + -8
63 + 16m = (75 + 15m) + -8

Reorder the terms:
63 + 16m = 75 + -8 + 15m

Combine like terms: 75 + -8 = 67
63 + 16m = 67 + 15m

Solving
63 + 16m = 67 + 15m

Solving for variable 'm'.

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

Add '-15m' to each side of the equation.
63 + 16m + -15m = 67 + 15m + -15m

Combine like terms: 16m + -15m = 1m
63 + 1m = 67 + 15m + -15m

Combine like terms: 15m + -15m = 0
63 + 1m = 67 + 0
63 + 1m = 67

Add '-63' to each side of the equation.
63 + -63 + 1m = 67 + -63

Combine like terms: 63 + -63 = 0
0 + 1m = 67 + -63
1m = 67 + -63

Combine like terms: 67 + -63 = 4
1m = 4

Divide each side by '1'.
m = 4

Simplifying
m = 4

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