(q-9)*2=12

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Solution for (q-9)*2=12 equation:


Simplifying
(q + -9) * 2 = 12

Reorder the terms:
(-9 + q) * 2 = 12

Reorder the terms for easier multiplication:
2(-9 + q) = 12
(-9 * 2 + q * 2) = 12
(-18 + 2q) = 12

Solving
-18 + 2q = 12

Solving for variable 'q'.

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

Add '18' to each side of the equation.
-18 + 18 + 2q = 12 + 18

Combine like terms: -18 + 18 = 0
0 + 2q = 12 + 18
2q = 12 + 18

Combine like terms: 12 + 18 = 30
2q = 30

Divide each side by '2'.
q = 15

Simplifying
q = 15

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