1=1.28x/7.80

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Solution for 1=1.28x/7.80 equation:



1=1.28x/7.80
We move all terms to the left:
1-(1.28x/7.80)=0
We add all the numbers together, and all the variables
-(+1.28x/7.80)+1=0
We get rid of parentheses
-1.28x/7.80+1=0
We multiply all the terms by the denominator
-1.28x+1*7.80=0
We add all the numbers together, and all the variables
-1.28x+7.8=0
We move all terms containing x to the left, all other terms to the right
-1.28x=-7.8
x=-7.8/-1.28
x=6+0.12/1.28

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