peter1104 peter1104
  • 23-12-2016
  • Mathematics
contestada

One number is 2 less than a second number. Twice the second number is 17 less than 5 times the first

Respuesta :

djsdoodle
djsdoodle djsdoodle
  • 26-12-2016
x=y-2
2y=5x-17
Substituting for x into the second equation, we find
2y=5(y-2)-17
2y=5y-10-17
-3y=-27
y=9
So x=7
Thus, the two numbers are 7 and 9.
Answer Link

Otras preguntas

What helps you to identify the main idea if it is not clearly stated?
Name two modern technologies that help us to monitor cyclones.
Alyssa is selling bags of peanuts to raise money for a fundraiser. So far, she has sold 36 bags of peanuts. This is 45% of her goal. What is Alyssa ' s goal
What ship did Christopher Columbus ride in?
is basil a herb or a shrub?
What helps you to identify the main idea if it is not clearly stated?
Let A={2,3} and B= {7,8}.write the power set of AxB.
Explain why hydrogen and oxygen are considered elements whereas water is not considered an element.
What is the tenth term in the sequence 5,8,11,14...?A. 29B.32C. 35D. 38
In monocots the endosperm is a large portion of the seed, while in dicots this structure is virtually absent. Explain the absence of the endosperm in dicots