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22 August, 21:10

Use the substitution method to solve the system of equations. Choose the

correct ordered pair.

y = 7x + 8

y = x + 20

+2
Answers (1)
  1. 23 August, 00:47
    0
    (2, 22)

    Step-by-step explanation:

    Given the 2 equations

    y = 7x + 8 → (1)

    y = x + 20 → (2)

    Substitute y = 7x + 8 into (2)

    7x + 8 = x + 20 (subtract x from both sides)

    6x + 8 = 20 (subtract 8 from both sides)

    6x = 12 (divide both sides by 6)

    x = 2

    Substitute x = 2 in (2) for corresponding value of y

    y = x + 20 = 2 + 20 = 22

    Solution is (2, 22)
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