Question

Simplify the expression 21z - 6z + 13

Answer 1

15z+13

Explanation:

hey! all we have to do is combine like terms.

21z-6z+13

15z+13

there's your answer.

Answer 2

15z+13

Explanation:

21z-6z+13

Combine like terms (21z+6z) [Because both of these numbers have a Z next to them]

15z+13