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29 October, 12:47

Y=x+5

4x + y = 20

Linear equation

+3
Answers (1)
  1. 29 October, 15:07
    0
    x = 3, y = 8

    Step-by-step explanation:

    by substitution

    4x + (x+5) = 20

    5x + 5 = 20

    x = 3

    y = x + 5 = 3 + 5 = 8
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