Solution to system:
x = 4y
2x + 3y = 22
Solution to system:
r + s = -6
r - s = -10
Write a system of equations:
The sum of two numbers is 104. Their difference is 68.
x + y = 104
x - y = 68
What is the solution to the system below...

Solution to system:
y = x - 2
3x - y = 16
Solution to system:
8a + 5b = 9
2a - 5b = -4
Define the variables:
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 the shirt?
____ = shirts
____ = hats
What is the solution to the system:
y = 3x - 2
y = -x -2
Solution to system:
y = 3x - 1
7x + 2y = 37
Solution to system:
5x + y = 9
10x - 7y = -18
Write a system of equations for the following:
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 the shirt?
6s + 8h = 700
9s + 6h = 660
Is (-1, 3) a solution to the following system:
y = 5x - 3
y = -2x + 4
The solution to the system:
y = 3x + 3
y = 3x -2
Solution to system:
3s - 2t = 4
t = 2s - 1
Solution to system:
2x + 3 y = 6
3x + 5y = 15
Solve the following system:
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 the shirt?
Is (3, 4) a solution to the following system:
y = 3x - 5
y = -x + 7
Solution to the system:
y = -3
x = 5
Solution to system:
t + u = 12
t = (1/3)u
2a - 4b = 12
-8a + 16b = -48
Solve the following:
The dimensions of a rectangle whose perimeter is 78 inches, when the length of the rectangle is twice its width.