More than one equation to be solved at the same time is know as this.
What is System of Equations
y = x + 4
y = 2x + 5
r + s = -6
r - s = -10
The solution to the system:
x = 4
2x + 3y = 26
What is (4,6)
The slope of this line: y = -16x - 0
What is -16?
The solution to the system of equations:
y = 3x - 2
y = -x - 2
What is (0, -2)?
8a + 5b = 9
2a - 5b = -4
y = x - 2
3x - y = 16
A farmer has 4 animals in his field. He only has cows and chickens. He counts the legs of all his animals and finds he has a total of 14 legs. How many of each animal does he have?
What is 3 cows and 1 chicken?

What do you know about the slope of AB and CD?
They are the same.
The solution to the system of equations:

What is (4,10)
The solution to the system:
3x + 3y = 6
3x + 5y = 14
What is (-2, 4)?
y = 3x - 1
7x + 2y = 37
The number of each type of ticket sold in the following situation: Tickets to a football game cost $5.oo if purchased before the day of the game. They cost $7.50 if purchased at the game. For a particular game, 600 tickets were sold and the receipts were $3500.
What is 400 advanced tickets, 200 game-day tickets?
The slope of a line that goes through: (4,5) and (6,9)
What is 4/2 or 2?

What is the initial height of Plane A?
What is the height of Plane A after 40 seconds?
What is 5 miles?
What is 4 miles?
2a - 4b = 12
-8a + 16b = -48
3s - 2t = 4
t = 2s - 1

The color of the system has infinitely many solutions.
What is Purple?
y - 3x = 3
y = 3x - 2
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
t + u = 12
t = (1/3)u