The sum of two numbers is 40. The second number is 5 less than twice the first number. Let x represent the first number and let y represent

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The sum of two numbers is 40. The second number is 5 less than twice the first number. Let x represent the first number and let y represent the second number. What is the value of the first number? Use the table to guess and check.

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Edana Edana 1 week 2021-07-22T04:30:13+00:00 1 Answers 0 views 0

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    2021-07-22T04:31:30+00:00

    Step-by-step explanation:

    x+y=40

    y=2x-5

    x = 40 - y \\ y = 2(40 - y) -5 \\ y = 80 - 2y - 5 \\ 3y = 75 \\ y =25 \\ x = 40 - y \\ x = 15

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