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6.51-7q=-8.3q-12.99
We simplify the equation to the form, which is simple to understand
6.51-7q=-8.3q-12.99
We move all terms containing q to the left and all other terms to the right.
-7q+8.3q=-12.99-6.51
We simplify left and right side of the equation.
+1.3q=-19.5
We divide both sides of the equation by 1.3 to get q.
q=-15
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