7(2l+1)=147

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Solution for 7(2l+1)=147 equation: 



7(2l+1)=147

We move all terms to the left:

7(2l+1)-(147)=0

We multiply parentheses

14l+7-147=0

We add all the numbers together, and all the variables

14l-140=0

We move all terms containing l to the left, all other terms to the right

14l=140

l=140/14

l=10

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