5(x+1)=7(x-1)

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Solution for 5(x+1)=7(x-1) equation:



5(x+1)=7(x-1)
We move all terms to the left:
5(x+1)-(7(x-1))=0
We multiply parentheses
5x-(7(x-1))+5=0
We calculate terms in parentheses: -(7(x-1)), so:
7(x-1)
We multiply parentheses
7x-7
Back to the equation:
-(7x-7)
We get rid of parentheses
5x-7x+7+5=0
We add all the numbers together, and all the variables
-2x+12=0
We move all terms containing x to the left, all other terms to the right
-2x=-12
x=-12/-2
x=+6

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