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-6.4a-8=-159.68
We move all terms to the left:
-6.4a-8-(-159.68)=0
We add all the numbers together, and all the variables
-6.4a+151.68=0
We move all terms containing a to the left, all other terms to the right
-6.4a=-151.68
a=-151.68/-6.4
a=23+1.8064516129032/2.5806451612903
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