-3m+9=42

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Solution for -3m+9=42 equation: 


Simplifying
-3m + 9 = 42

Reorder the terms:
9 + -3m = 42

Solving
9 + -3m = 42

Solving for variable 'm'.

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

Add '-9' to each side of the equation.
9 + -9 + -3m = 42 + -9

Combine like terms: 9 + -9 = 0
0 + -3m = 42 + -9
-3m = 42 + -9

Combine like terms: 42 + -9 = 33
-3m = 33

Divide each side by '-3'.
m = -11

Simplifying
m = -11

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