3l+7=19

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Solution for 3l+7=19 equation: 



3l+7=19

We move all terms to the left:

3l+7-(19)=0

We add all the numbers together, and all the variables

3l-12=0

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

3l=12

l=12/3

l=4

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