Sign In
Ask Question
Mathematics
Guest
16 August, 08:34
47x + 31y = 63
31x + 47y = 15
+1
Answers (
1
)
Jaydin Garrison
16 August, 09:23
0
x = 2, y = - 1
Step-by-step explanation:
47x + 31y = 63 ... eqn 1
31x + 47y = 15 ... eqn 2
multiply eqn 1 by 47 to get eqn 3 and multiply eqn 2 by 31 to get eqn 4 ...
=> 2209x + 1457y = 2961 ... eqn 3
=> 961x + 1457y = 465 ... eqn 4
subtract eqn 4 from eqn 3
=> 1248x = 2496
=> x = 2
subst x = 2 in eqn 1
=> 94 + 31y = 63
=> 31y = - 31
=> y = - 1
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“47x + 31y = 63 31x + 47y = 15 ...”
in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Use the information in the article and associated document about organic strawberry farming to answer the questions about sales appropriation. The document is located at this article.
Answers (2)
Ivan earns $8 each time
Answers (1)
The value root of 40 of lies between which two consecutive integers
Answers (1)
How do you solve this problem? 4a-3b+7a=
Answers (1)
Is 2 * 17 5/6 greater than or less than 36? Explain
Answers (1)
New Questions in Mathematics
At the grocery store, you can purchase loose lemons at 2 for $0.99. You can also buy a bag of 6 lemons for $2.50. Which is a better buy
Answers (2)
Aaron is staying at a hotel that charges $100 per night plus tax for a room. A tax of 8% is applied to the room rate per day and an additional one-time only fee of $5.00 is charged by the hotel.
Answers (1)
What is the area of the shaded triangle? A triangle has 24 millimeters and a height of 8 millimeters. 72 mm2 96 mm2 120 mm2 150 mm2
Answers (2)
A contractor estimated that her expenses for a construction project would be between $700,00 and $750,000. She has already spent $496,000. How much more can she spend and remain with her estimate?
Answers (1)
In a new card game, you start with a well-shuffled full deck and draw 3 cards without replacement. If you draw 3 hearts, you win $50. If you draw 3 black cards, you win $25. For any other draws, you win nothing.
Answers (1)
Home
»
Mathematics
» 47x + 31y = 63 31x + 47y = 15
Sign In
Sign Up
Forgot Password?