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-2.4a+3.7=-16.1=3.1a
We move all terms to the left:
-2.4a+3.7-(-16.1)=0
We add all the numbers together, and all the variables
-2.4a+19.8=0
We move all terms containing a to the left, all other terms to the right
-2.4a=-19.8
a=-19.8/-2.4
a=8+0.6/2.4
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