-15=3(m-3)

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Solution for -15=3(m-3) equation:


Simplifying
-15 = 3(m + -3)

Reorder the terms:
-15 = 3(-3 + m)
-15 = (-3 * 3 + m * 3)
-15 = (-9 + 3m)

Solving
-15 = -9 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-15 + -3m = -9 + 3m + -3m

Combine like terms: 3m + -3m = 0
-15 + -3m = -9 + 0
-15 + -3m = -9

Add '15' to each side of the equation.
-15 + 15 + -3m = -9 + 15

Combine like terms: -15 + 15 = 0
0 + -3m = -9 + 15
-3m = -9 + 15

Combine like terms: -9 + 15 = 6
-3m = 6

Divide each side by '-3'.
m = -2

Simplifying
m = -2

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