Solve the system of equations using substitution: ſx + 4y = 15 (2x – y=-15

Question

Solve the system of equations using substitution:
ſx + 4y = 15
(2x – y=-15

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Latifah 5 years 2021-08-30T23:49:59+00:00 1 Answers 22 views 0

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  1. Dulcie
    0
    2021-08-30T23:51:16+00:00
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    Answer:

    Step-by-step explanation:

    x + 4y = 15

    8x – 4y = -60

    9x = -45

    x = -5

    -5 + 4y = 15

    4y = 20

    y = 5

    (-5, 5)

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