Evaluate 4x + 5y, when x = 7 and y = 10 My Explanation: So, I picked 78. But the whole issue is that I can’t specifically “work it out”. Question: How do you get 78? If you can give a kind answer, thank

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asked Nov 23, 2023 88.5k views

19 votes

Evaluate 4x + 5y, when x = 7 and y = 10

My Explanation:
So, I picked 78. But the whole issue is that I can’t specifically “work it out”.

Question: How do you get 78? If you can give a kind answer, thank you very much. :)

Mathematics
high-school

Thomasrutter asked

by Thomasrutter

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2 Answers

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You plug in the 7 for x and 10 for y in the equation 4(7)+5(10)=78

Roy Mathew answered Nov 26, 2023

by Roy Mathew

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6 votes

Answer:

Explanation:

4(x) = 4(7) = 28 5(x) = 5(10) = 50

28+50=

Hamix answered Nov 28, 2023

by Hamix

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