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45-q=3(q-5)
We simplify the equation to the form, which is simple to understand
45-q=3(q-5)
Reorder the terms in parentheses
45-q=+(+3q-15)
Remove unnecessary parentheses
+45-q=+3q-15
We move all terms containing q to the left and all other terms to the right.
-1q-3q=-15-45
We simplify left and right side of the equation.
-4q=-60
We divide both sides of the equation by -4 to get q.
q=15
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