Posted by **syram** on Wednesday, March 6, 2013 at 5:25pm.

Identify the property or rule that justifies each step in the calculation.

4/7k+(j+1/7k) ________

(4/7k+1/7k)+j ________

k(4/7+1/7)+j _________

(4/7k+1/7k)+j ________

5/7k+j _______

Hint: you cannot say that 5/7k+j is the answer

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