Solve each system of linear equations by adding or subtracting. 3x + 4y = 15 3x – y = 30 Enter the solution as an ordered pair. The solution

Question

Solve each system of linear equations by adding or subtracting. 3x + 4y = 15 3x – y = 30 Enter the solution as an ordered pair. The solution is​

in progress 0
Diễm Kiều 5 months 2021-08-10T14:33:34+00:00 1 Answers 16 views 0

Answers ( )

  1. Neala
    0
    2021-08-10T14:35:03+00:00
    Reply

    Answer:

    (
    9,
    −
    3
    )

    Step-by-step explanation:

    Solve for the first variable in one of the equations, then substitute the result into the other equation.

    x
    =
    9  and  y
    =
    −
    3

Leave an answer

Browse

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