5-4m+8+2m=-1

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Solution for 5-4m+8+2m=-1 equation:


Simplifying
5 + -4m + 8 + 2m = -1

Reorder the terms:
5 + 8 + -4m + 2m = -1

Combine like terms: 5 + 8 = 13
13 + -4m + 2m = -1

Combine like terms: -4m + 2m = -2m
13 + -2m = -1

Solving
13 + -2m = -1

Solving for variable 'm'.

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

Add '-13' to each side of the equation.
13 + -13 + -2m = -1 + -13

Combine like terms: 13 + -13 = 0
0 + -2m = -1 + -13
-2m = -1 + -13

Combine like terms: -1 + -13 = -14
-2m = -14

Divide each side by '-2'.
m = 7

Simplifying
m = 7

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