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7k+13=7(k+2)
We move all terms to the left:
7k+13-(7(k+2))=0
We calculate terms in parentheses: -(7(k+2)), so:We get rid of parentheses
7(k+2)
We multiply parentheses
7k+14
Back to the equation:
-(7k+14)
7k-7k-14+13=0
We add all the numbers together, and all the variables
-1!=0
There is no solution for this equation
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