I really need help. Solving Systems with Substitution y=2x x+y=(-9)

Question

I really need help. Solving Systems with Substitution

y=2x
x+y=(-9)

in progress 0
Sophia 1 week 2021-10-05T20:32:01+00:00 1 Answer 0

Answers ( )

    0
    2021-10-05T20:33:52+00:00

    Answer:

    Step-by-step explanation:

    If you let y=2x, you can plug it into the other equation.

    x+2x=-9

    Then solve that equation.

    3x=-9

    x=-3

    Then use y=2x to find y.

    y=2(-3)=-6

    y=-6

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )