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5 October, 07:12

Solve the system below:

10x + y = 22

2x + y = - 2

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Answers (1)
  1. 5 October, 09:50
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    Step-by-step explanation:

    10x + y = 22 A

    2x + y = - 2 B

    A - B left A - left B = Right A - Right B

    10x + y - (2x + y) = 22 - (-2)

    10x + y - 2x - y = 22 + 2

    8x = 24

    x = 24/8

    x = 3
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