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6-7*a+1)=-3(2-a)
We move all terms to the left:
6-7*a+1)-(-3(2-a))=0
We add all the numbers together, and all the variables
-7*a-3(-1a+2))+6+1)-(=0
We add all the numbers together, and all the variables
-7a-3(-1a+2))+6+1)-(=0
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