y = x + 4
y = 2x + 5
r + s = -6
r - s = -10
x = 4y
2x + 3y = 22
y = 3x - 2
y = -x - 2
The solution to the system:
-3x - 5y = -8
4x + 5y = 14
What is (6, -2)?
y = x - 2
3x - y = 16
A shopper bought 6 shirts and 8 hats for $700. A week later, at the same prices, he bought 9 shirts and 6 hats for $660. What was the cost of one shirt?
What is $30?
y = -3
x = 5
The solution to the system:
2x - 2y = -14
-3x -2y = -19
What is (1, 8)?
The solution to the system
y = -6x - 1
y = 4x - 11
What is (1, -7)
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?
y = (1/3)x - 3
2x - y = 8
The solution to the system
2a - 4b = 12
-8a + 16b = -48
What is infinitely many solutions?
3s - 2t = 4
t = 2s - 1
A child has 20 dimes and nickels, which total is $1.40, how many of each type of coins does he have?
Dimes = 8
Nickels = 12
y - 3x = 3
y = 3x - 2
The solution to the system:
7x - 9y = -24
-5x + 6y = 15
What is (3, 5)
t + u = 12
t = (1/3)u
Sam has 30 coins consisting of quarters and dimes, which total is $5.70. How many of each does she have?
18 quarters
12 dimes