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6 August, 03:32

Use substitution to solve equation:

y=4x

x+y=5

+2
Answers (2)
  1. 6 August, 04:45
    0
    X=5

    y=0 ok you done bro
  2. 6 August, 07:24
    0
    Plug y = 4x in second equation:-

    x + 4x = 5

    5x - 5

    x = 1

    and y = 4*x = 4

    solution set is {1,4}
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