SOLVE y = 3x – 2 x – y = 4 BY USING SUBSTITUTION!! SHOW ALL WORK! HELPPP!

Question

SOLVE y = 3x – 2 x – y = 4 BY USING SUBSTITUTION!! SHOW ALL WORK! HELPPP!

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Ella 1 week 2021-09-11T01:57:03+00:00 1 Answer 0

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    2021-09-11T01:58:38+00:00

    Answer:

    y=3x-2….. i

    x-y=4…… ii

    x-4=y

    Substituting the value of y in equation i,

    x-4=3x-2

    2-4=3x-x

    -2=2x

    x=-1.

    From ii,

    -1-4=y

    y=-5.

    x=-1, y=-5

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