-(m-3)=15

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


Simplifying
-1(m + -3) = 15

Reorder the terms:
-1(-3 + m) = 15
(-3 * -1 + m * -1) = 15
(3 + -1m) = 15

Solving
3 + -1m = 15

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + -1m = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -1m = 15 + -3
-1m = 15 + -3

Combine like terms: 15 + -3 = 12
-1m = 12

Divide each side by '-1'.
m = -12

Simplifying
m = -12

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