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9-q/2=7
We simplify the equation to the form, which is simple to understand
9-q/2=7
We move all terms containing q to the left and all other terms to the right.
-0.5q=+7-9
We simplify left and right side of the equation.
-0.5q=-2
We divide both sides of the equation by -0.5 to get q.
q=4
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