-2m-1=m+8

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


Simplifying
-2m + -1 = m + 8

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

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

Solving
-1 + -2m = 8 + 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.
-1 + -2m + -1m = 8 + m + -1m

Combine like terms: -2m + -1m = -3m
-1 + -3m = 8 + m + -1m

Combine like terms: m + -1m = 0
-1 + -3m = 8 + 0
-1 + -3m = 8

Add '1' to each side of the equation.
-1 + 1 + -3m = 8 + 1

Combine like terms: -1 + 1 = 0
0 + -3m = 8 + 1
-3m = 8 + 1

Combine like terms: 8 + 1 = 9
-3m = 9

Divide each side by '-3'.
m = -3

Simplifying
m = -3

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