jordynboutwell9 jordynboutwell9

04-05-2020
Mathematics

contestada

One number is 3 less than a second number. Twice the second number is 15 less than 5 times the first. Find the two numbers.

Respuesta :

mysticchacha mysticchacha

05-05-2020

Answer:

7 and 10

Step-by-step explanation:

let x and y be our unknown numbers

x = y - 3

2 y = 5x - 15

....

2y = 5 ( y - 3) - 15

2y = 5y - 15 - 15

-3y = -30

y = 10

x = 10 - 3 = 7

Answer Link

Otras preguntas

name 3 physical changes to pay attention to?

Solve the inequality 4y > 2(3y + 1) and explain your solution. *

how is a net useful when finding the surface area of prisms and pyramids

i need help with point slope formula

Which political party founded by Theodore Roosevelt divided the Republican vote in 1912 and allowed a Democrat to be elected President? A. Progressive Party

A kilowatt-hour (kW-h) must be a unit of _____. A. mass B. force C. power D. energy

what happens to the period of revolution for the planets as they move farther away in position from the sun

(x - 4)2 = 36 Which of the following expressions represents the solutions to the given equation?

A car traveling with content speed Travels 150 km in 7200 s. What is the speed of the car?

Because they help improve healing, aid in recovery after exercise, and reduce the risk of cancer, it’s important to eat at least 1 ½ cups of _______ per day. A.