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2.8a-0.5=4.82
We move all terms to the left:
2.8a-0.5-(4.82)=0
We add all the numbers together, and all the variables
2.8a-5.32=0
We move all terms containing a to the left, all other terms to the right
2.8a=5.32
a=5.32/2.8
a=1+1/1.1111111111111
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