Elimination Method Using Addition and Subtraction

Which variable is best to eliminate"
3x - 6y = 15
-3x + 8y = 19

• x

• y

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

What is the solution to the following system?
-2x + y = 4
3y = 6x + 12 

• (2, 3)

• (12, 20)

• No Solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

29x+37y=103 and 37x+29y = 95 then

• x=1, y=2

• x=2, y=1

• x=3, y=2

• x=2, y=3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination Method:

4x + 9y = 28

-4x - y = -28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by 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

If x+y=14 and x-y=4 then the values of x and y are_________

• x=4 and y = 5

• x = 9 and y = 7

• x = -6 and y = 5

• x = 9 and y = 5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7. Solve the system of linear equations: 2x + 5y = 13 and 3x - 2y = 4

• x = 4, y = 4

• x = 3, y = 1

• x = 2, y = 3

• x = 5, y = 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination Method:

x - y = 11

2x + y = 19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6