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1.8q-3.1-4.3q=-1.5-3.1
We move all terms to the left:
1.8q-3.1-4.3q-(-1.5-3.1)=0
We add all the numbers together, and all the variables
1.8q-4.3q-3.1-(-4.6)=0
We add all the numbers together, and all the variables
-2.5q+1.5=0
We move all terms containing q to the left, all other terms to the right
-2.5q=-1.5
q=-1.5/-2.5
q=1/1.6666666666667
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