5x-3y when x = 7 and y = -8

asked Dec 12, 2018 202k views

1 vote

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2 votes

By replacing x=7 and y= -8 we obtain
5x-3y= 5x7-3x(-8)=35+24=59
The answer is 59

Eliseo answered Dec 14, 2018

8.7k points

2 votes

You place the values of x and y in the equation:

5(7)-3(-8)

35+24 (negatives cancel out)

59 is the answer

John Zabroski answered Dec 17, 2018

7.3k points

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