3x + 7x – 8 = -19 can someone please help me with this math problem

Question

3x + 7x – 8 = -19

can someone please help me with this math problem

in progress 0
Thiên Di 3 years 2021-08-17T18:34:19+00:00 2 Answers 7 views 0

Answers ( )

  1. thucuc
    0
    2021-08-17T18:35:35+00:00
    Reply

    Answer:

    x= -1.1

    Step-by-step explanation:

    first combine like terms

    3x+7x=10x

    10x-8=-19

    +8 on both sides

    10x= -11

    divide by 10

    x= -1.1

    check the answer

    10(-1.1)-8= -19

    -11-8= -19 its true

  2. Bo
    0
    2021-08-17T18:35:53+00:00
    Reply

    Combine like terms
    3x+7x= 10x
    10x-8= -19
    + 8. +8

    10x= -11
    ————
    10. 10

    x= -1.1

Leave an answer

Browse

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