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-1.5q=-8.4
We move all terms to the left:
-1.5q-(-8.4)=0
We add all the numbers together, and all the variables
-1.5q+8.4=0
We move all terms containing q to the left, all other terms to the right
-1.5q=-8.4
q=-8.4/-1.5
q=5+0.9/1.5
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