7(2l+2)=84

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Solution for 7(2l+2)=84 equation: 



7(2l+2)=84

We move all terms to the left:

7(2l+2)-(84)=0

We multiply parentheses

14l+14-84=0

We add all the numbers together, and all the variables

14l-70=0

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

14l=70

l=70/14

l=5

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