(m-3)-(-m+12)=

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


Simplifying
(m + -3) + -1(-1m + 12) = 0

Reorder the terms:
(-3 + m) + -1(-1m + 12) = 0

Remove parenthesis around (-3 + m)
-3 + m + -1(-1m + 12) = 0

Reorder the terms:
-3 + m + -1(12 + -1m) = 0
-3 + m + (12 * -1 + -1m * -1) = 0
-3 + m + (-12 + 1m) = 0

Reorder the terms:
-3 + -12 + m + 1m = 0

Combine like terms: -3 + -12 = -15
-15 + m + 1m = 0

Combine like terms: m + 1m = 2m
-15 + 2m = 0

Solving
-15 + 2m = 0

Solving for variable 'm'.

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

Add '15' to each side of the equation.
-15 + 15 + 2m = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 2m = 0 + 15
2m = 0 + 15

Combine like terms: 0 + 15 = 15
2m = 15

Divide each side by '2'.
m = 7.5

Simplifying
m = 7.5

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