-8m-(-7m)-5m=-18m

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Solution for -8m-(-7m)-5m=-18m equation: 


Simplifying
-8m + -1(-7m) + -5m = -18m

Remove parenthesis around (-7m)
-8m + -1 * -7m + -5m = -18m

Multiply -1 * -7
-8m + 7m + -5m = -18m

Combine like terms: -8m + 7m = -1m
-1m + -5m = -18m

Combine like terms: -1m + -5m = -6m
-6m = -18m

Solving
-6m = -18m

Solving for variable 'm'.

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

Add '18m' to each side of the equation.
-6m + 18m = -18m + 18m

Combine like terms: -6m + 18m = 12m
12m = -18m + 18m

Combine like terms: -18m + 18m = 0
12m = 0

Divide each side by '12'.
m = 0

Simplifying
m = 0

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