Question

What is the value of z in the equation 2(4z − 6 − 6) = 170 − 46?

a
12.5

b
15.5

c
16.5

d
18.5

Answer 1

Z=18.5

Explanation:

2(4z - 6 - 6) = 170 - 46

2(4z - 12) = 124 Use distributive property: a(b - c) = ab - ac

8z - 24 = 124 Add 24 to both sides

8z = 148 Divide both sides by 8