Which expression is equivalent to 2/7y(k-7) ? assume k does not equal 0

hello :

2/7y(k-7)  = 2/ (7yk-49y)

the expression is equivalent to 2/7y(k-7)  is : 2/ (7yk-49y)

valus of  k does not equal 0 is : k=7

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.