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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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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. :)

User Peter Dolan
by
2.6k points

2 Answers

18 votes
18 votes
You plug in the 7 for x and 10 for y in the equation 4(7)+5(10)=78
User Lal Krishnan S L
by
3.2k points
6 votes
6 votes

Answer:

78

Explanation:

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

28+50=

78

User Brendon Crawford
by
2.3k points
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