15-7-3m+4=5-2m

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


Simplifying
15 + -7 + -3m + 4 = 5 + -2m

Reorder the terms:
15 + -7 + 4 + -3m = 5 + -2m

Combine like terms: 15 + -7 = 8
8 + 4 + -3m = 5 + -2m

Combine like terms: 8 + 4 = 12
12 + -3m = 5 + -2m

Solving
12 + -3m = 5 + -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
12 + -3m + 2m = 5 + -2m + 2m

Combine like terms: -3m + 2m = -1m
12 + -1m = 5 + -2m + 2m

Combine like terms: -2m + 2m = 0
12 + -1m = 5 + 0
12 + -1m = 5

Add '-12' to each side of the equation.
12 + -12 + -1m = 5 + -12

Combine like terms: 12 + -12 = 0
0 + -1m = 5 + -12
-1m = 5 + -12

Combine like terms: 5 + -12 = -7
-1m = -7

Divide each side by '-1'.
m = 7

Simplifying
m = 7

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