7k-40=7(k-7)

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Solution for 7k-40=7(k-7) equation: 



7k-40=7(k-7)

We move all terms to the left:

7k-40-(7(k-7))=0



We calculate terms in parentheses: -(7(k-7)), so:

7(k-7)

We multiply parentheses

7k-49

Back to the equation:

-(7k-49)



We get rid of parentheses

7k-7k+49-40=0

We add all the numbers together, and all the variables

9!=0

There is no solution for this equation

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