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

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


Simplifying
3(m + 5) + -4(m + -7) = 0

Reorder the terms:
3(5 + m) + -4(m + -7) = 0
(5 * 3 + m * 3) + -4(m + -7) = 0
(15 + 3m) + -4(m + -7) = 0

Reorder the terms:
15 + 3m + -4(-7 + m) = 0
15 + 3m + (-7 * -4 + m * -4) = 0
15 + 3m + (28 + -4m) = 0

Reorder the terms:
15 + 28 + 3m + -4m = 0

Combine like terms: 15 + 28 = 43
43 + 3m + -4m = 0

Combine like terms: 3m + -4m = -1m
43 + -1m = 0

Solving
43 + -1m = 0

Solving for variable 'm'.

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

Add '-43' to each side of the equation.
43 + -43 + -1m = 0 + -43

Combine like terms: 43 + -43 = 0
0 + -1m = 0 + -43
-1m = 0 + -43

Combine like terms: 0 + -43 = -43
-1m = -43

Divide each side by '-1'.
m = 43

Simplifying
m = 43

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