Elimination Substitution

Solve the system of equations:
4x+8y=20
-4x+2y=-30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Solve the system of equations:
−6x + 6y = 0
9x − 8y = 4 

• (4, −9)
  

• Infinite number of solutions 

• (−9, 4)
  

• (4, 4) 

Solve the system of equations. What is the value of the X? 
3x -  y  =  5
  x + y  =  3

• X = 2 

• X = 1 

• X =  -1 

•  X  =  -2

Solve the system of equations:
−8x − 10y = 20
 8x  +  6y =   4 

• (-5,-6)  

• (6, 5) 

• (−6, −5) 

• (5, −6) 

Solve the system of equations:
y = 8x + 2
y = -x - 7

• (1, 10)

• (-1, -6)

• (2, 7)

• (9, 9)

Solve the system of equations:
3x + 2y = 16
14x + 2y = 38

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Which method would be best (quickest) for solving the system below:
x + y = 11
3x - 4y = -2

• Substitution

• Elimination

• Graphing

• None of these

Solve the system:
x + y = 19
y = 3x - 1

• (14, 5)

• (11, 8)

• (5, 14)

• (8, 11)

Solve the system:
3x + y = 19
2x - y = 6

• (5, 14)

• (4, 5)

• (5, 4)

• (14, 5)

Which method would be best (quickest) for solving the system below:
3x - 4y = -2
y = 2x + 1

• Substitution

• Elimination

• Graphing

• None