If equation two is multiplied by -2 and then the equations are added, the result is -3y=3 Зу = 5 5y=5​

Question

If equation two is multiplied by -2 and then the equations are added, the result is
-3y=3
Зу = 5
5y=5​

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Thu Giang 5 years 2021-08-18T04:59:35+00:00 1 Answers 13 views 0

Answers ( )

  1. vankhanh
    0
    2021-08-18T05:00:41+00:00
    Reply

    Answer: Yes, this is true but it can be a different answer.

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