Systems by Elimination Lesson

Identify the solution to this system of equations.

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

1)  -4x-2y=-12
      4x+8y=-24

• (6,-6)
• (-6,6)
• (6,6)
• (-6,-6)

7x + 4y = -6
-7x - 6y = 30
answers in (x,y)

• (6, -12)
• (6, 12)
• (-12, 8)
• (12, -8)

-8x - 7y = 10
-8x + 5y = 34
answers in (x,y)

• No Solution
• (-3, -10)
• (3, 2)
• (-3, 2)

-2x + y = 1
-4x + y =- 1
answers in (x,y)

• (1,3)
• no solution
• (-1,3)
• (3,1)

-3x+3y = 18
5x-3y = -26
answers in (x,y)

• (4,2)
• (-4,-2)
• (-4,2)
• (4,-2)

Solve the system of equations:

y=2x

x + y = 9

• (6, 3)

• (3, 6)

• (-3, -6)

• no solution

Solve this system of equation

y = 8x + 1

y = 6x + 3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Solve the system of equations:

7x+2y=24

8x+2y=30

• (6,-9)

• (-9,6)

• (-6,9)

• (0,0)

Solve the system of equations:

y = -2x + 18

y = 8

• (5, 8)

• (-5, 8)

• (2, 8)

• (-2, 8)