Question

Please help me ahhhhh -8(z+2)-15+4z

Answer 1

-4z-31

Explanation:

-8(z+2)-15+4z

-8z-16-15+4z

-8z-31+4z

-4z-31

I don't know if you meant to have an equal sign in there but ok.

Answer 2

- 4z - 31

Explanation:

- 8(z + 2) - 15 + 4z ← distribute parenthesis by - 8

- 8z - 16 - 15 + 4z ← collect like terms

= (- 8z + 4z) + (- 16 - 15)

= - 4z + (- 31)

= - 4z - 31