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2/2=x/40
We move all terms to the left:
2/2-(x/40)=0
We add all the numbers together, and all the variables
-(+x/40)+2/2=0
We add all the numbers together, and all the variables
-(+x/40)+1=0
We get rid of parentheses
-x/40+1=0
We multiply all the terms by the denominator
-x+1*40=0
We add all the numbers together, and all the variables
-1x+40=0
We move all terms containing x to the left, all other terms to the right
-x=-40
x=-40/-1
x=+40
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