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23 May, 15:32

Use substitution to solve each system of equations

Y=2x-2

Y=x+2

+4
Answers (1)
  1. 23 May, 17:37
    0
    Y = 2x - 2 ⇒ 2x - y = 2 ⇒ 2x - y = 2

    y = x + 2 ⇒ x - y = - 2 ⇒ 2x - 2y = - 4

    3y = 6

    3 3

    y = 2

    2x - 6 = 2

    +6 + 6

    2x = 8

    2 2

    x = 4

    (x, y) = (4, 2)
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