5(4-2l)=7(3+l)

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Solution for 5(4-2l)=7(3+l) equation:



5(4-2l)=7(3+l)
We move all terms to the left:
5(4-2l)-(7(3+l))=0
We add all the numbers together, and all the variables
5(-2l+4)-(7(l+3))=0
We multiply parentheses
-10l-(7(l+3))+20=0
We calculate terms in parentheses: -(7(l+3)), so:
7(l+3)
We multiply parentheses
7l+21
Back to the equation:
-(7l+21)
We get rid of parentheses
-10l-7l-21+20=0
We add all the numbers together, and all the variables
-17l-1=0
We move all terms containing l to the left, all other terms to the right
-17l=1
l=1/-17
l=-1/17

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