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5 December, 19:36

Solve each system by substitution.

1) y=62-11

-2x-3y=-7

How do I do this

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Answers (1)
  1. 5 December, 22:55
    0
    x=-73 and y=51

    Step-by-step explanation:

    1. Rewrite Equation

    y=51, - 2x-3y=-7

    2. Solve y=51 for y

    y=51

    3. Substitute 51 for y in - 2x-3y=-7

    -2x-3y=-7

    -2x + (-3) (51) = -7

    -2x-153=-7

    -2x-153+153=-7+153

    -2x=146

    -2x/-2 = 146/-2

    x=-72
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