Solving Systems by Elimination Method

4x+8y=20

-4x+2y=-30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

-6x+5y=1
6x+4y=-10

• (1,-1)

• (0,-1)

• (1,1)

• (-1,-1)

Solve the system of linear equations
-2x - 10y = 22
2x + 5y = -12

• (-2, -1)

• (-4, -2)

• (4, -2)

• (-1, -2)

x = -3y - 17

2x + 3y = -7

• (1, -2)

• (3, 0)

• (-5, -2)

• (10 , -9)

• (10, 2)

5x + 8y = -12
3x + 5y = -7

• (1, -10)

• No solution

• (-4, 1)

• (1, 10)

Solve the system of equations:

3x + y = –21

x + y = –5

• (-3,8)

• (8,-3)

• (3,-8)

• (-8,3)

• (3, 3)

• (1, 5)

• (1, 3)

• (7, -1)

Solve by elimination:

-9x-4y=-20

5x+4y=4

• (-4,4)

• (4,4)

• (4,-4)

• (-4,-4)

Solve this system of equations.

• (-1, 6)

• (5, -2)

• (6, -1)

Your teacher is giving you a test worth 100 points containing 13 questions. There are 5 point questions and 10 point questions. Once you set up your equations and multiply one of them by -5, after elimination, what will you have?