-2m-5m-8=3+(-7)+m

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Solution for -2m-5m-8=3+(-7)+m equation: 


Simplifying
-2m + -5m + -8 = 3 + (-7) + m

Reorder the terms:
-8 + -2m + -5m = 3 + (-7) + m

Combine like terms: -2m + -5m = -7m
-8 + -7m = 3 + (-7) + m
-8 + -7m = 3 + -7 + m

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

Solving
-8 + -7m = -4 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-8 + -7m + -1m = -4 + m + -1m

Combine like terms: -7m + -1m = -8m
-8 + -8m = -4 + m + -1m

Combine like terms: m + -1m = 0
-8 + -8m = -4 + 0
-8 + -8m = -4

Add '8' to each side of the equation.
-8 + 8 + -8m = -4 + 8

Combine like terms: -8 + 8 = 0
0 + -8m = -4 + 8
-8m = -4 + 8

Combine like terms: -4 + 8 = 4
-8m = 4

Divide each side by '-8'.
m = -0.5

Simplifying
m = -0.5

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