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

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asked Nov 9, 2022 74.7k views

5 votes

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

Mathematics
high-school

Monacco Franze asked

by Monacco Franze

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2 Answers

6 votes

Answer:

the answer is 8.5

Explanation:

Barmar answered Nov 11, 2022

by Barmar

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4 votes

Explanation:

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

Vladimir Prudnikov answered Nov 14, 2022

by Vladimir Prudnikov

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