Question

What is the value of z in the equation 2(4z − 9 − 7) = 166 − 46?

19
21
26
34

Answer 1

2 (4z-9-7) = 166-46
2(4z-16) = 120 (combine like terms)
8z-32 = 120 (distribute)
8z-32=120 (combine like terms)
8z=152 (add 32 to both sides)
z=19 (divide both sides by 8)


A: 19

Answer 2

am I making sense on all of these?

Answer 3

yes you are

Answer 4

good just making sure since we're moving fast :)