2x + 6y = −6, 4x − 3y = −12 What is the solution to the system of equations? ( , )

Question

2x + 6y = −6,

4x − 3y = −12

What is the solution to the system of equations?

(
,
)

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Đan Thu 3 years 2021-07-22T10:43:22+00:00 1 Answers 15 views 0

Answers ( )

    0
    2021-07-22T10:44:46+00:00

    Answer:

    x=-3, y=0. (-3, 0).

    Step-by-step explanation:

    2x+6y=-6

    4x-3y=-12

    —————

    -2(2x+6y)=-2(-6)

    4x-3y=-12

    —————————

    -4x-12y=12

    4x-3y=-12

    —————-

    -15y=0

    y=0/-15=0

    2x+6(0)=-6

    2x=-6

    x=-6/2

    x=-3

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