12+3q=9q-18

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Solution for 12+3q=9q-18 equation:


Simplifying
12 + 3q = 9q + -18

Reorder the terms:
12 + 3q = -18 + 9q

Solving
12 + 3q = -18 + 9q

Solving for variable 'q'.

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

Add '-9q' to each side of the equation.
12 + 3q + -9q = -18 + 9q + -9q

Combine like terms: 3q + -9q = -6q
12 + -6q = -18 + 9q + -9q

Combine like terms: 9q + -9q = 0
12 + -6q = -18 + 0
12 + -6q = -18

Add '-12' to each side of the equation.
12 + -12 + -6q = -18 + -12

Combine like terms: 12 + -12 = 0
0 + -6q = -18 + -12
-6q = -18 + -12

Combine like terms: -18 + -12 = -30
-6q = -30

Divide each side by '-6'.
q = 5

Simplifying
q = 5

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