Solving Systems by elimination Part 1

Solve using elimination. 
 4x + 8y = 20
-4x + 2y = -30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

• Infinite number of solutions  
• (6, 5) 
• (−6, −5) 
• (5, −6) 

Solve the system of Equation (x,y)
3x + 2y = –13
3x + 4y = 1 

• (-9,7)
• (7,-9)
• (4,-7)
• (-7,-4)

 Solve using elimination.
 7x + 2y = 24
  8x + 2y = 30

• (6,-9)
• (-9,6)
• No solution
• Infinite number of solutions

Solve the following using elimination.
x=y +11
2x+y=19

• (10,-1)
• (-1,10)
• (-1,-10)
• (-10,-1)

Solve the following using elimination.
-4x-2y=-12
4x=- 8y -24

• (6,-6)
• (-6,6)
• (6,6)
• (-6,-6)

Solve the following using elimination.
4x + 8y = 20
2y = 4x −30

• (-1, 7)
• (-7, 1)
• (7, -1)
• (1, -7)