Solving Systems by Elimination Keystone

4x + 8y = 20

-4x + 2y = -30

Which variable is easiest to eliminate?

• The x

• The y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:

7x+y=-9

-3x-y=5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:

-9x-4y=-20

5x+4y=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:

-x+2y=17

2x+2y=-10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination

2x+9y= -7

6x-3y= 9

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system using elimination.

2x + 3y = 12

5x - y = 13

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

8x + 14y = 4

-6x - 7y = -10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
4x+4y=4

3x+4y=10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination
4x-6y= -6
-2x-12y= -12

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by multiplication.
2x + 10y = -20
-x + 4y = 28

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6