Solve Systems of Equations by Elimination

Solve the system by elimination.  

12x + 36y = −3 
−12x − 36y = 0 

• (10, 1) 

• (−10, −1) 

•  (10, −1) 

•  No solution 

Solve by elimination:
3x+7y=23

-3x-7y=-17

• No solution

• ARN

• (-3,3)

• (3,3)

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

• Infinite number of solutions  

• (6, 5) 

• (−6, −5) 

• (5, −6) 

2x + 9y = -7

6x - 3y = 9 

• (-1, -1) 

• (2,-1)

• (1,1)

• (1,-1)

Solve using elimination. 
−4x − 4y = 0
  8x + 8y = 0 

• (−6, −4) 

• Infinite number of solutions  

• No solutions

• (6, 4) 

Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8 

• (5, 8)

• (5, -8)

• (-5, -18)

• (-5, 8)

Solve by Elimination:

8x + 6y = 6

4x + 7y = 7

• x = 0, y = 8

• x = 0, y = 5

• x = 0, y = 1

• x = 0, y = 6

Solve by Elimination:

• x = 4, y = 0

• x = 0, y = -3

• x = -4, y = 0

• x = 3, y = 0

Solve by Elimination:

-5x - 7y = -5

-15x + 6y = -15

• x = 1, y = -10

• x = 1, y = 10

• x = 1, y = 0

• x = -1, y = 0

Solve by Elimination:

8x - 3y = 13

-6x + 2y = -12

• x = 8, y = -9

• x = 5, y = -9

• x = 5, y = 9

• x = -8, y = -9