2l+2(1/2*l+1)=30

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Solution for 2l+2(1/2*l+1)=30 equation:



2l+2(1/2l+1)=30
We move all terms to the left:
2l+2(1/2l+1)-(30)=0
Domain of the equation: 2l+1)!=0
l∈R
We multiply parentheses
2l+2l+2-30=0
We add all the numbers together, and all the variables
4l-28=0
We move all terms containing l to the left, all other terms to the right
4l=28
l=28/4
l=7

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