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-1.4q=2.8
We move all terms to the left:
-1.4q-(2.8)=0
We add all the numbers together, and all the variables
-1.4q-2.8=0
We move all terms containing q to the left, all other terms to the right
-1.4q=2.8
q=2.8/-1.4
q=-2
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