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 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

Which of the following statements is true about transport? a. Active transport does not require energy, passive transport does. b. Examples of passive transport
the reasons for founding the southern colonies led to
Sweets are sometimes called “empty calories” because they supply many nutrients but no calories. Please select the best answer from the choices provided T F
Which sentence best belongs in a passage about why people need sleep? Help ASAP please
Write.and solve an equation to find the value of x ?#9 what does x = ?
what counties made up central powers
Simplify the expression. Explain each step. 3.2+(x+5.1)
Please help please!!!!!!!!!!
You have enough paint to cover 300 square feet of fence. If the fence is 4 feet high, what length can you cover? You know the area (A = 300 ft2) and the width (
Jefferson makes a valid point when he argues for a limited government. Lincoln, on the others hand, does not recognize these limitations. The excerpt had an eff