Use elimination to solve the following system.2x - y = 322x + y = 60What is the y-coordinate of the solution?
2.
Use elimination to solve the following system.3x - 5y = 84x - 7y = 10What is the x-coordinate of the solution?
3.
Use elimination to solve the following system.-3x + 2y = 10-2x - y = -5What is the y-coordinate of the solution?
4.
Use elimination to solve the following system.2x + 5y = 134x - 3y = -13
A. 
(-3, 1)
B. 
(-1, 3)
C. 
(1, 3)
D. 
No solution
5.
Use elimination to solve the following system.2x + 5y = -32x + 2y = 6What is the x-coordinate of the solution?
A. 
-6
B. 
-3
C. 
3
D. 
6
6.
The admission fee at a small fair is $1.50 for children and $4.00 for adults. On a certain day, 2200 people enter the fair and $5050 is collected. How many adults attended the fair? (Just type in the number--no words!)
7.
An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How many two point questions are on the test? (Just write the number--no words!)