Posted by **syram** on Friday, March 8, 2013 at 6:16am.

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

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

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

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

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

5/7k+j ___________

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