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22=a.11
We move all terms to the left:
22-(a.11)=0
We add all the numbers together, and all the variables
-(+a.11)+22=0
We get rid of parentheses
-a.11+22=0
We move all terms containing a to the left, all other terms to the right
-a.11=-22
a=-22/1
a=-22
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