Algebra 1 Substitution Worksheet

1. Solve for x and y.
 x - y = 6
-x - 2y = 3
(3,6)
(-3,6)
(-3,3)
(3,-3)

2. Solve for x and y.
3x + y = 5
4x - 7y = -10
(-1,2)
(1,2)
(3,4)
(6,4)

3. Solve for x and y.
-3x - y = -9
-x + 2y = -10
(3,4)
(2,3)
(4,-3)
(-3,-1)

4. Solve for x and y.
-x + y = 1
2x + y = -2
(-1,0)
(0,-1)
(-1,2)
(1,-2)

5. Solve for x and y.
3y - 2x = 11
y + 2x= 9
(3,1)
(-2,2)
(2,13)
(2,5)

6. Solve for x and y.
2x - 9y = 0
x - 18y = 27
(2, -9)
(-9,-2)
(2,1)
(-9,27)

7. Solve for x and y.
5x - y = -7
2x + 3y = -13
(5,2)
(2,5)
(-7,-13)
(-2,-3)

8. Solve for x and y.
2x - 3y = -2
4x + y = 24
(5,4)
(2,4)
(-3,1)
(4,24)

9. Solve for x and y.
3x - 2y = 8
x + 5y = -3
(-1,2)
(3,3)
(-1,2)
(2,-1)

10. Solve for x and y.
x + y = -1
x - y = -1
(-1,-1)
(1,1)
(-1,0)
(-1,-1)





Answer Key