Solve each system of equation algebraically 1. y=x+7 y=4______ 2. y=x+5 y=3x______ 3. y=x-9 y=-4x_______ 4. x+

Question

Solve each system of equation algebraically
1. y=x+7 y=4______
2. y=x+5 y=3x______
3. y=x-9 y=-4x_______
4. x+3y=1 y=2x+5_______
PLEASE HELP!!

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Thu Hương 6 months 2021-07-18T11:19:43+00:00 2 Answers 8 views 0

Answers ( )

    0
    2021-07-18T11:21:28+00:00

    1. x=-3
    2.x=5/2
    3.x=9/5
    4.x=-2

    0
    2021-07-18T11:21:32+00:00

    1. (-3, 4)
    2. (5/2, 15/2)
    3. (9/5, -36/5)
    4. (-2, 1)

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