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30 June, 10:37

Solve the system of equations below.

x + y = 8

3x + 2y = 21

(3, 5)

(5, 3)

(2, 6)

(6, 2)

+1
Answers (1)
  1. 30 June, 10:44
    0
    A) x + y = 8

    B) 3x + 2y = 21

    We multiply A) by - 2

    A) - 2x - 2y = - 16 Then we add this to

    B) 3x + 2y = 21

    x = 5

    y = 3

    Second answer is correct
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