3(m-1)=9+m

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Solution for 3(m-1)=9+m equation:


Simplifying
3(m + -1) = 9 + m

Reorder the terms:
3(-1 + m) = 9 + m
(-1 * 3 + m * 3) = 9 + m
(-3 + 3m) = 9 + m

Solving
-3 + 3m = 9 + 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.
-3 + 3m + -1m = 9 + m + -1m

Combine like terms: 3m + -1m = 2m
-3 + 2m = 9 + m + -1m

Combine like terms: m + -1m = 0
-3 + 2m = 9 + 0
-3 + 2m = 9

Add '3' to each side of the equation.
-3 + 3 + 2m = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 2m = 9 + 3
2m = 9 + 3

Combine like terms: 9 + 3 = 12
2m = 12

Divide each side by '2'.
m = 6

Simplifying
m = 6

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