7(5m+3n)-2(4m-4n)+15=

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Solution for 7(5m+3n)-2(4m-4n)+15= equation:


Simplifying
7(5m + 3n) + -2(4m + -4n) + 15 = 0
(5m * 7 + 3n * 7) + -2(4m + -4n) + 15 = 0
(35m + 21n) + -2(4m + -4n) + 15 = 0
35m + 21n + (4m * -2 + -4n * -2) + 15 = 0
35m + 21n + (-8m + 8n) + 15 = 0

Reorder the terms:
15 + 35m + -8m + 21n + 8n = 0

Combine like terms: 35m + -8m = 27m
15 + 27m + 21n + 8n = 0

Combine like terms: 21n + 8n = 29n
15 + 27m + 29n = 0

Solving
15 + 27m + 29n = 0

Solving for variable 'm'.

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

Add '-15' to each side of the equation.
15 + 27m + -15 + 29n = 0 + -15

Reorder the terms:
15 + -15 + 27m + 29n = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 27m + 29n = 0 + -15
27m + 29n = 0 + -15

Combine like terms: 0 + -15 = -15
27m + 29n = -15

Add '-29n' to each side of the equation.
27m + 29n + -29n = -15 + -29n

Combine like terms: 29n + -29n = 0
27m + 0 = -15 + -29n
27m = -15 + -29n

Divide each side by '27'.
m = -0.5555555556 + -1.074074074n

Simplifying
m = -0.5555555556 + -1.074074074n

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