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-2/1+a=5/8
We move all terms to the left:
-2/1+a-(5/8)=0
We add all the numbers together, and all the variables
a-2/1-(+5/8)=0
We add all the numbers together, and all the variables
a-2-(+5/8)=0
We get rid of parentheses
a-2-5/8=0
We multiply all the terms by the denominator
a*8-5-2*8=0
We add all the numbers together, and all the variables
a*8-21=0
Wy multiply elements
8a-21=0
We move all terms containing a to the left, all other terms to the right
8a=21
a=21/8
a=2+5/8
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