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-0.5a-8=0.2a
We move all terms to the left:
-0.5a-8-(0.2a)=0
We add all the numbers together, and all the variables
-0.5a-(+0.2a)-8=0
We get rid of parentheses
-0.5a-0.2a-8=0
We add all the numbers together, and all the variables
-0.7a-8=0
We move all terms containing a to the left, all other terms to the right
-0.7a=8
a=8/-0.7
a=-11+0.3/0.7
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