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Solving by Elimination
Solving by Substitution
Estimate Solutions
100
The solution to the system of equations:

r + s = -6
r - s = -10

What is (-8, 2)?
100
The solution to the system:

x = 4y
2x + 3y = 22

What is (8, 2)
100

How many solutions does the system of equations have? 

  y = 3x + 2                    

  y = 3x - 2

No Solution

200
The solution to the system:

8a + 5b = 9
2a - 5b = -4

What is (0.5, 1)?
200

Given the equations:

 (y = 2x + 3) 

 (3x + y = 12)

what is the value of (y) when (x = 2)?

7

200

Lexi and Chloee each buy x notebooks. Lexi also buys a pencil case for $10, while Chloee buys a different pencil case for $8. Could they each spend the same amount, y, and buy the same number of notebooks? Explain.

No (explanation)

300
The solution to the system:

2x + 3y = 6
3x + 5y = 15

What is (-15, 12)?
300
The solution to the system

y = 3x - 1
7x + 2y = 37

What is (3, 8)
400

The solution to the system:

(4x + 5y = 32) 

(2x - 3y = -6)

(3,4)

400
The solution to the system

y = x - 2
3x - y = 16

What is (7, 5)
500
The solution to the system:

(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4

What is (24, 8)
500

The solution to the system:

(y = 4x - 4)

(y = -3x + 10).

(2,4)