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1.90+.20q=5.10-.80q
We simplify the equation to the form, which is simple to understand
1.90+.20q=5.10-.80q
We move all terms containing q to the left and all other terms to the right.
+ 0.2q + 0.8q=+5.1-1.9
We simplify left and right side of the equation.
+1q=+3.2
We divide both sides of the equation by 1 to get q.
q=3.2
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