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10 September, 21:07

What is the solution to the system of equations?

Use any method.

{3x+y=3

{2x+y=7

Enter your answer in the boxes. Parentheses are already provided.

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Answers (1)
  1. 10 September, 23:14
    0
    x=-4, y=15

    Step-by-step explanation:

    3x+y=3

    2x+y=7

    Multiply top by - 1

    -3x-y=-3

    2x+y=7

    Add equations together

    -x=4

    x=-4

    Plug x=-4 into any equation

    3 (-4) + y=3

    -12+y=3

    y=15
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