3=m-(-12)

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Solution for 3=m-(-12) equation:


Simplifying
3 = m + -1(-12)

Multiply -1 * -12
3 = m + 12

Reorder the terms:
3 = 12 + m

Solving
3 = 12 + 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 + -1m = 12 + m + -1m

Combine like terms: m + -1m = 0
3 + -1m = 12 + 0
3 + -1m = 12

Add '-3' to each side of the equation.
3 + -3 + -1m = 12 + -3

Combine like terms: 3 + -3 = 0
0 + -1m = 12 + -3
-1m = 12 + -3

Combine like terms: 12 + -3 = 9
-1m = 9

Divide each side by '-1'.
m = -9

Simplifying
m = -9

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