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22 February, 05:31

Solve the system of equations using substitution.

y=x+6

y=-2x-3

A. (4,11)

B. (-3,3)

C. (-6,3/2)

D. (1,7)

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Answers (2)
  1. 22 February, 05:37
    0
    Yeah I agree the answer is B
  2. 22 February, 05:56
    0
    Answer: B

    Step-by-step explanation:

    y=x+6

    y=-2x-3

    x+6=-2x-3

    Add 2x to both sides

    3x+6=-3

    Subtract 6 from both sides

    3x=-9

    Divide 3 from both sides

    x=-3

    Put into equations

    y=-3+6

    y=3
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