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0.75l=-4/8
We move all terms to the left:
0.75l-(-4/8)=0
We get rid of parentheses
0.75l+4/8=0
We multiply all the terms by the denominator
(0.75l)*8+4=0
We add all the numbers together, and all the variables
(+0.75l)*8+4=0
We multiply parentheses
0l+4=0
We add all the numbers together, and all the variables
l+4=0
We move all terms containing l to the left, all other terms to the right
l=-4
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