Is (1, 2) a solution to this system of equations? 10x + 4y = 18 x + 9y = 19

Question

Is (1, 2) a solution to this system of equations? 10x + 4y = 18 x + 9y = 19

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Thu Giang 6 months 2021-07-23T05:28:51+00:00 1 Answers 7 views 0

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    2021-07-23T05:30:28+00:00

    Answer:

    Yes

    Step-by-step explanation:

    The intersection point of 10x+4y=18 and x+9y=19 is (1,2) on a graph.

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