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3q+7=q-13
We simplify the equation to the form, which is simple to understand
3q+7=q-13
We move all terms containing q to the left and all other terms to the right.
+3q-1q=-13-7
We simplify left and right side of the equation.
+2q=-20
We divide both sides of the equation by 2 to get q.
q=-10
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