-3(m+2)=18

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Solution for -3(m+2)=18 equation: 


Simplifying
-3(m + 2) = 18

Reorder the terms:
-3(2 + m) = 18
(2 * -3 + m * -3) = 18
(-6 + -3m) = 18

Solving
-6 + -3m = 18

Solving for variable 'm'.

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

Add '6' to each side of the equation.
-6 + 6 + -3m = 18 + 6

Combine like terms: -6 + 6 = 0
0 + -3m = 18 + 6
-3m = 18 + 6

Combine like terms: 18 + 6 = 24
-3m = 24

Divide each side by '-3'.
m = -8

Simplifying
m = -8

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