A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 4 years ago
Write a system of two equations using x and y for the following problem: The sum of two numbers is 170 and their difference is 26. Find the two numbers.
anonymous
 4 years ago
Write a system of two equations using x and y for the following problem: The sum of two numbers is 170 and their difference is 26. Find the two numbers.

This Question is Closed

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.0Add the two equations. Can you do that?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Solve for one variable in one of his equations above and substitute that variable into the other equation.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0substitute that solution for that variable in the other*

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.0What did you get when you added the two equations?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so is that xy+0= 196?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0You can use substitution here. Solve for x in terms of y in one equation

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0for instance, xy = 26 x= y + 26

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Is this exact question standard in this year's text books or something?

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.0Ok. These other guys want to help you now. I'm outta here.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Then plug this into the other equation. (y+26)+y=170 2y = 26 = 170 y = (17026)/2 y=72

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Then you can plug this 72 into the other equation x = y + 26 x = 72 + 26 = 98
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.