A drummer and a guitarist each wrote songs for their band. The number of songs the guitarist wrote minus twice the number of songs the drumm

Question

A drummer and a guitarist each wrote songs for their band. The number of songs the guitarist wrote minus twice the number of songs the drummer wrote is 8. They wrote a total of 46 songs.

g = songs guitarist wrote
d = songs guitarist wrote

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Kim Cúc 4 years 2021-07-30T04:05:51+00:00 1 Answers 14 views 0

Answers ( )

  1. mocmien2
    0
    2021-07-30T04:07:43+00:00
    Reply

    Answer:

    g=33 1/3

    d=12 2/3

    Step-by-step explanation:

    g-2d=8

    g=8+2d

    g+d=46

    g=46-d

    8+2d=46-d

    8+3d=46

    38=3d

    12 2/3=d

    46-12 2/3= g

    33 1/3=g

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