5x+ 9 = 80 O A x = -7 or x= 25 OB. x= -25 or x= 7 O C. x= 7 or x= 16 OD. x= -25 or x= 9

Question

5x+ 9 = 80
O A
x = -7 or x= 25
OB.
x= -25 or x= 7
O C.
x= 7 or x= 16
OD.
x= -25 or x= 9

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Thu Cúc 5 years 2021-07-28T18:51:20+00:00 1 Answers 13 views 0

Answers ( )

  1. Thunguyet
    0
    2021-07-28T18:53:04+00:00
    Reply

    Answer:

    I do not see anything that matches what I got. I got x=14.2

    Step-by-step explanation:

    5x+9=80

    5x=71

    x=14.2

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