Question

Which expressions are equivalent to z+(z+6) Select: (z+z) + (z+6) (z+6) +6 2(z+3)

Answer 1

Answer:

2(z+3)

Step-by-step explanation:

z+ (z+6)

combine like terms

=2z+6

factor out a 2

=2(z+3)

(z+z) + (z+6) = 3z+6  so no

(z+6) +6  = z+12  so no

Answer 2

2(z+3) thats the answer