Subtractions Systems

Solve the following using 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

Solve the following using elimination.
7x-9y=29
7x+2y=-15

• (-4,-1)
• (-1.-4)
• (-1,4)
• (-1,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following using elimination.
7x-9y=29
7x+2y=-15

• (-4,-1)
• (-1.-4)
• (-1,4)
• (-1,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When using elimination to solve this system, which operation should be used to eliminate the x?
4x + 3y = 24
4x - 6y = 18

• Addition
• Subtraction

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of y when solving this system?
-2x + 8y = 13
-2x + 4y = 17

• -2
• 2
• -1
• 1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
-x + 2y =  17
2x + 2y = -10

• (9,9)
• (-9,4)
• (-9,-4)
• (9,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6