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10(1-8a)=7710
We move all terms to the left:
10(1-8a)-(7710)=0
We add all the numbers together, and all the variables
10(-8a+1)-7710=0
We multiply parentheses
-80a+10-7710=0
We add all the numbers together, and all the variables
-80a-7700=0
We move all terms containing a to the left, all other terms to the right
-80a=7700
a=7700/-80
a=-96+1/4
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