Question

What is the value of y in the equation 4(5y − 8 − 2) = 145 − 15? (4 points)

a
8.5

b
9.7

c
10.5

d
42.5

Answer 1

the answer is 8.5

Explanation:

Answer 2

Explanation:

`4(5y - 8 - 2) = 145 - 15 \\ 4(5y - 10) = 130 \\ 5y - 10 = 130 / 4 \\ 5y - 10 = 32.5 \\ 5y = 32.5 + 10 \\ 5y = 42.5 \\ y = 42.5 / 5 \\ = 8.5 \: or \: 8(1)/(2)`