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-9(-4+a)-2=9a
We move all terms to the left:
-9(-4+a)-2-(9a)=0
We add all the numbers together, and all the variables
-9(a-4)-9a-2=0
We add all the numbers together, and all the variables
-9a-9(a-4)-2=0
We multiply parentheses
-9a-9a+36-2=0
We add all the numbers together, and all the variables
-18a+34=0
We move all terms containing a to the left, all other terms to the right
-18a=-34
a=-34/-18
a=1+8/9
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