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2/3+2/3+l+l=20
We move all terms to the left:
2/3+2/3+l+l-(20)=0
determiningTheFunctionDomain l+l-20+2/3+2/3=0
We add all the numbers together, and all the variables
2l-20+2/3+2/3=0
We multiply all the terms by the denominator
2l*3+2+2-20*3=0
We add all the numbers together, and all the variables
2l*3-56=0
Wy multiply elements
6l-56=0
We move all terms containing l to the left, all other terms to the right
6l=56
l=56/6
l=9+1/3
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