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Solve the system. Connect answers in order. [MC,i. Home]
Start a new line.
1.     - 3x - 7y = - 10
- 2x - y = -3
(1, 1)
 
2.     - x + 2y = 2
x + 2y = 2
(0, 1)
 
3.     - 7x - 5y = - 8
x + y = 2
(- 1, 3)
 
4.     - 2x - 8y = - 12
2x + 8y = 0
no solution
 
5.     x + 4y = 6
- x - 4y = - 6
many solutions, like (2, 1)
 
6.     x + 2y = 4
- x - y = - 2
(0 , 2 )
 
7.     - 9x - 10y = - 5
10x + 10y = 10
(5, - 4)
 
8.     - 4x - 8y = - 8
- 2x - 7y = - 1
(4, - 1)
 
9.     - 4x - 3y = - 11
x - 10y = - 8
(2, 1)
 
10.     - x - 2y = 6
4x + 2y = 0
(2, - 4)
 
11.     - 2x - 2y = - 8
- 5x - 7y = - 8
(10, - 6)
 
12.     x + 3y = 6
- x + y = 0
(1.5, 1.5)
 
13.     - 4x - 12y = - 4
- 2x - 3y = - 2
(1,0)
 
14.     - 8x - 3y = -1
- x - y = -2
(-1, 3)
 
15.     - 6x + y = - 4
- 3x - y = - 5
(1, 2)
 
16.     - 6x - 5y = - 11
- 5x - 4y = - 9
(1, 1)
 
Circle each.
17.     x + 4y = 6
x + y = 0
(- 2, 2)
 
18.     x + 3y = 6
x + y = 0
(- 3, 3)