What is the value of x in the equation 4 x plus 8 y equals 40, when y equals 0.8? 4.6 8.4 10 12

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asked Jun 14, 2021 7.1k views

5 votes

What is the value of x in the equation 4 x plus 8 y equals 40, when y equals 0.8?

4.6
8.4
10
12

Mathematics
high-school

Dkniffin asked

by Dkniffin

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2 Answers

5 votes

Answer:

B. 8.4

Explanation:

Thorbjornwolf answered Jun 17, 2021

by Thorbjornwolf

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2 votes

Answer:

B. 8.4

Explanation:

0.8 times 8= 6.4

40- 6.4= 33.6

33.6 / 4= 8.4

Oleg Barinov answered Jun 19, 2021

by Oleg Barinov

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