Solving Systems by Elimination

Solve each system by elimination.

3x + 3y = 27

-6x - 3y = -30

• (1,8)

• (8,1)

• (-1,8)

• (-8,-1)

Solve each system by elimination.

5x - 2y = -16

-5x + 6y = 28

• (5,1)

• (3,-2)

• (-2,3)

• (1,5)

Solve each system by elimination.

x - 4y = 27

-x - 7y = 28

• (1,2)

• (-5,7)

• (-7,-5)

• (7,-5)

Solve each system by elimination.

10x + 12y = 14

4x - 12y = -28

• (-1,2)

• (1,2)

• (2,-1)

• (1,1)

Solve each system by elimination.

-9x - 5y = 9

9x + 2y = -36

• (9,-6)

• (1,-3)

• (-6,9)

• (5,4)

Solve each system by elimination.

-6x - 3y = -33

-3x + 3y = 24

• (1,9)

• (-1,-9)

• (9,2)

• (9,-2)

Solve each system by elimination.

-9x - 8y = -1

9x + 8y = -3

• all real #'s

• no solution

Solve each system by elimination.

5x + 4y = 17

-5x - 4y = -17

• all real #'s

• no solution

Solve each system by elimination.

8x - 20y = -25

-8x + 20y = 32

• all real #'s

• no solution

Solve each system by elimination.

12x + 16y = 16

-12x - 16y = -16

• all real #'s

• no solution