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6.1a+12=60.8
We move all terms to the left:
6.1a+12-(60.8)=0
We add all the numbers together, and all the variables
6.1a-48.8=0
We move all terms containing a to the left, all other terms to the right
6.1a=48.8
a=48.8/6.1
a=8
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