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34=2+8a*40
We move all terms to the left:
34-(2+8a*40)=0
We add all the numbers together, and all the variables
-(8a*40+2)+34=0
We get rid of parentheses
-8a*40-2+34=0
We add all the numbers together, and all the variables
-8a*40+32=0
Wy multiply elements
-320a+32=0
We move all terms containing a to the left, all other terms to the right
-320a=-32
a=-32/-320
a=1/10
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