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8 November, 09:05

Substitution Method

y=x-4

y=4x-10

+2
Answers (1)
  1. 8 November, 12:48
    0
    x=2 and y = - 2

    Step-by-step explanation:

    Substitute y=x-4 in second equation

    x-4=4x-10

    get x terms on one side and numbers on other sides

    4x-x=10-4

    3x=6

    divide 3 on both sides

    x=2

    substitute x=2 in y=x-4

    y=2-4

    y = - 2
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