15-q=12

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Solution for 15-q=12 equation: 


Simplifying
15 + -1q = 12

Solving
15 + -1q = 12

Solving for variable 'q'.

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

Add '-15' to each side of the equation.
15 + -15 + -1q = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -1q = 12 + -15
-1q = 12 + -15

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

Divide each side by '-1'.
q = 3

Simplifying
q = 3

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