Solving Linear Systems by Substitution Special Cases

• Infinitely Many Solutions

• No Solution

• Infinitely Many Solutions

• No Solution

• Infinitely Many Solutions

• No Solution

• Infinitely Many Solutions

• No Solution

Solve this system by substitution.

• (1,-4)

• (1,4)

• (-4,-7)

• (-7,-4)

• (1, -4)

• (1, 4)

• (-4, -7)

• (-7, -4)

Solve the system by substitution. 
3x − 2y = 7 
y = 2x − 7 

• No solution 

•  (7, 7)  

•  (−7, −7)  

•  (−7, −3)  

solve by substitution: y=3x+14
y=-4x

• y=3

• y=1

• y= - 2

• y=4

What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21

• (3,-9)

• (-3,-9)

• (-3,9)

• (0,1)

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)

• (1, -2)

• (-2, 1)

• (-1, -2)