Register
Solve using method of your choice. PLease help 28 points 7x+y=-20 x-3y=-50 Solve for x. (5x-8y)^2=-25
149k views
3 votes
Solve using method of your choice. PLease help 28 points

7x+y=-20
x-3y=-50

Solve for x.
(5x-8y)^2=-25

User Mayhem
by
8.2k points

1 Answer

7 votes

7x+y=-20\\ x-3y=-50\\\\ 21x+3y=-60\\ \underline{x-3y=-50}\\ 22x=-110\\ x=-5\\\\ -5-3y=-50\\ 3y=45\\ y=15

-----------------------------------------------------


(5x-8y)^2=-25
No solution in real numbers.
User Aarreoskari
by
8.1k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!