Solve for q
q=3
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2q+q=q+6
Combine q and q to get 2q.
3q=q+6
Combine 2q and q to get 3q.
3q-q=6
Subtract q from both sides.
2q=6
Combine 3q and -q to get 2q.
q=\frac{6}{2}
Divide both sides by 2.
q=3
Divide 6 by 2 to get 3.
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