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26 January, 17:48

Y=2x+1

x-y=-3

is (2,5) a solution of the system?

+5
Answers (1)
  1. 26 January, 18:02
    0
    (2,5) is the solution of the system

    Step-by-step explanation:

    x = 2, y = 5

    if we substitute this values in equation y = 2x + 1

    y = 2 (2) + 1 = 5 (true for y and x in equation (1))

    Let's check for x - y = - 3

    x = - 3 + y = - 3 + 5 = 2 ((true for y and x in equation (2) also)
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