Register
Use the elimination method to solve the system of equations. 5x + 2y = 7 −5x + 4y = 5 A. ( 3/5, 2) B. There is no solution. C. (2, 1) D. There are an infinite number of solutions.
99.0k views
0 votes
Use the elimination method to solve the system of equations.

5x + 2y = 7
−5x + 4y = 5

A. ( 3/5, 2)
B. There is no solution.
C. (2, 1)
D. There are an infinite number of solutions.

User Snies
by
8.0k points

2 Answers

4 votes
The answer is A.
x= 3/5 or 0.6 and y= 2
User Faridun
by
8.1k points
1 vote
5x + 2y = 7
+
−5x + 4y = 5
____________

6y = 12
y = 12/6
y = 2

5x + 2y = 7
5x + 2*2 = 7
5x + 4 = 7
5x = 7 - 4
5x = 3
x = 3/5

A. ( 3/5, 2)
User Jaqueline
by
8.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m 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?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!