Systems of equations y=2x+3 y=-x-9

Question

Systems of equations
y=2x+3
y=-x-9

in progress 0
Thiên Di 1 year 2021-07-29T15:58:38+00:00 2 Answers 6 views 0

Answers ( )

    0
    2021-07-29T15:59:50+00:00

    Answer:

    vhguh

    Step-by-step explanation:

    cfyyghuijofdrr5xtu

    0
    2021-07-29T16:00:24+00:00

    Answer:

    (-4,-5)

    Step-by-step explanation:

    [tex]y=2x+3\\y=-x-9=>Multiply(2)=>2y=-2x-18\\\\Add\\3y = -15=>y =-5\\\\Substitute\\x=-y-9=>x=-4[/tex]

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )