Solving Simultaneous Equations! - no multiplication

Solve:

3x - y = 11

x + y = 5

• x = 4

  y = 1

• x = 4

  y = -1

• x = -4

  y = 1

• x = -4

  y = -1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

3x + 5y = 4

4x - 5y = -18

• x = -2

  y = 2

• x = -2

  y = -2

• x = 2

  y = -2

• x = 2

  y = 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

3x + 2y = 15

7x + 2y = 19

• x = 1

  y = 6

• x = -1

  y = 6

• x = 1

  y = -6

• x = -1

  y = -6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

4x - y = 17

7x - y = 32

• x = 5

  y = 3

• x = -5

  y = 3

• x = 5

  y = -3

• x = -5

  y = -3

Tags

CCSS.HSA.REI.C.9

Solve:

2x + y = 16

4x - y = 2

• x = 3

  y = 10

• x = -3

  y = -10

• x = -3

  y = 10

• x = 3

  y = -10

Tags

CCSS.HSA.REI.C.9

Solve:

3x - 4y = 26

2x - 4y = 20

• x = 6

  y = -2

• x = -6

  y = -2

• x = -6

  y = 2

• x = 6

  y = 2

Tags

CCSS.HSA.REI.C.9

Solve:

2x + 5y = 29

x + 5y = 22

• x = 7

  y = 3

• x = -7

  y = -3

• x = 7

  y = -3

• x = -7

  y = 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

2x + 3y = 5

x + 3y = 7

• x = -2

  y = 3

• x = -2

  y = -3

• x = 2

  y = 3

• x = 2

  y = -3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6