Solving Systems of Equations by Elimination

Solve the following system by using elimination: 3x + 3y = 0 7x + 5y = -16

• (8, 4)

• (-8, 8)

• (-8, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system by using elimination:

-2x + 3y = 5

-5x + 2y = 29

• (-7, -3)

• (-7, 3)

• (7, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system by using elimination: 2x + 7y = -17 3x - 6y = -9

• (-5, 1)

• (-5, -1)

• (5, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system by using elimination:

-9x - 2y = -23

-10x - 5y = -20

• (-3, -2)

• (3, 2)

• (3, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 4x + 8y =  20
-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination 
  2x + 9y = -7
6x - 3y = 9 

• (-1, -1) 

• (2,-1)

• (1,1)

• (1,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
4x + 4y = 4
   3x + 4y =10

• (7,-6)

• (-6,7)

• (6,7)

• (7,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3x + 7y = 23
-3x - 7y = -17

• No solution

• Infinite number of solutions

• (-3,3)

• (3,3)

Tags

CCSS.8.EE.C.8B

Solve the system by elimination.
4x + 12y = −1
−3x − 9y = 0 

• (10, 1) 

• (−10, −1) 

•  (10, −1) 

•  No solution 

Tags

CCSS.8.EE.C.8B

Solve the system by elimination.
  5x + 8y = -12
3x + 5y = -7

• (1, -10)

• No solution

• (-4, 1)

• (1, 10)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6