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3/8-165=a
We move all terms to the left:
3/8-165-(a)=0
We add all the numbers together, and all the variables
-1a-165+3/8=0
We multiply all the terms by the denominator
-1a*8+3-165*8=0
We add all the numbers together, and all the variables
-1a*8-1317=0
Wy multiply elements
-8a-1317=0
We move all terms containing a to the left, all other terms to the right
-8a=1317
a=1317/-8
a=-164+5/8
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