Solving Systems of Linear Equations by Elimination

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6x - 3y = 27

2x - 3y = 11

• (6, 3)

• (4, -1)

• (10, 3)

• Infinite Solutions

• No Solutions

Tags

CCSS.8.EE.C.8B

x + y = 2

-3x + 4y = 15

• (5, -3)

• (-1, 3)

• (-5, 0)

• Infinite Solutions

• No Solutions

Tags

CCSS.8.EE.C.8B

6x + 4y = 10

3x + 2y = -5

• (1, 1)

• (5, -5)

• (-1, -1)

• Infinite Solutions

• No Solutions

Tags

CCSS.8.EE.C.8B

Solve by elimination 
-6x+y= -2
-3x-6y= 12

• (2,0)
• no solution 
• (0,-2)
• infinite solutions 

Tags

CCSS.8.EE.C.8B