Question

k + (k + 2) Show all properties used for each step to solve.

Answer 1

k + (k + 2)


k + 1(k + 2) ... multiplicative identity


k + 1k + 1*2 ... distributive property


k+k+1*2 ... multiplicative identity


k+k+2 ... multiplication of 1 and 2


2k+2 ... combination of like terms