7. Solve: The product of 5, and 3 more than twice a number, is 85. What is the number?

Question

7. Solve:
The product of 5, and 3 more
than twice a number, is 85.
What is the number?

in progress 0
RI SƠ 3 months 2021-08-07T20:55:47+00:00 2 Answers 11 views 0

Answers ( )

    0
    2021-08-07T20:57:04+00:00

    5(2x+3)=85
    10x+15=85
    10x=70
    x=7

    0
    2021-08-07T20:57:35+00:00

    Answer:

    38.5

    Step-by-step explanation:

    let x = the number

    5+2x+3=85

    2x=77

    x=38.5

Leave an answer

Browse

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