(8m-4m+5)+(7m-4m+12)=

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Solution for (8m-4m+5)+(7m-4m+12)= equation:


Simplifying
(8m + -4m + 5) + (7m + -4m + 12) = 0

Reorder the terms:
(5 + 8m + -4m) + (7m + -4m + 12) = 0

Combine like terms: 8m + -4m = 4m
(5 + 4m) + (7m + -4m + 12) = 0

Remove parenthesis around (5 + 4m)
5 + 4m + (7m + -4m + 12) = 0

Reorder the terms:
5 + 4m + (12 + 7m + -4m) = 0

Combine like terms: 7m + -4m = 3m
5 + 4m + (12 + 3m) = 0

Remove parenthesis around (12 + 3m)
5 + 4m + 12 + 3m = 0

Reorder the terms:
5 + 12 + 4m + 3m = 0

Combine like terms: 5 + 12 = 17
17 + 4m + 3m = 0

Combine like terms: 4m + 3m = 7m
17 + 7m = 0

Solving
17 + 7m = 0

Solving for variable 'm'.

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

Add '-17' to each side of the equation.
17 + -17 + 7m = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 7m = 0 + -17
7m = 0 + -17

Combine like terms: 0 + -17 = -17
7m = -17

Divide each side by '7'.
m = -2.428571429

Simplifying
m = -2.428571429

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