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(15a-11)=-542
We move all terms to the left:
(15a-11)-(-542)=0
We add all the numbers together, and all the variables
(15a-11)+542=0
We get rid of parentheses
15a-11+542=0
We add all the numbers together, and all the variables
15a+531=0
We move all terms containing a to the left, all other terms to the right
15a=-531
a=-531/15
a=-35+2/5
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