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-7.482+546a=5.2a-4.7-3.9
We move all terms to the left:
-7.482+546a-(5.2a-4.7-3.9)=0
We add all the numbers together, and all the variables
546a-(5.2a-8.6)-7.482=0
We get rid of parentheses
546a-5.2a+8.6-7.482=0
We add all the numbers together, and all the variables
540.8a+1.118=0
We move all terms containing a to the left, all other terms to the right
540.8a=-1.118
a=-1.118/540.8
a=-1/483.72093023256
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