The sum of 5 times one number, x, and 4 times a second number, y, is 87. If the sum of the two numbers is 20, find the two numbers. Pls hurr

Question

The sum of 5 times one number, x, and 4 times a second number, y, is 87. If the sum of the two numbers is 20, find the two numbers. Pls hurry need it before schools is over
(hint will mark brainiest)

in progress 0
Helga 4 years 2021-08-28T09:54:43+00:00 1 Answers 4 views 0

Answers ( )

  1. Calantha
    0
    2021-08-28T09:55:52+00:00
    Reply

    Step-by-step explanation:

    We have 5x + 4y = 87 and x + y = 20.

    => 5x + 4y = 87 and 4x + 4y = 80.

    5x + 4y = 87

    – (4x + 4y = 80)

    => x = 7

    Therefore (7) + y = 20, y = 13.

    The answers are x = 7 and y = 13.

Leave an answer

Browse

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