# math

posted by
**syram** on
.

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

posted by
**syram** on
.

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