Solve by substitution

Solve by substitution

y = 8

2x + y = 18

• (5, 8)

• (-5, 8)

• (2, 8)

• (-2, 8)

Solve by substitution

x = 1

6x + y = 14

• (1, 35)

• 1, -13)

• (1, 8)

• (1, 13)

Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10

• (-4, -2)
• (12, -34)
• (4, -18)
• (-2, -6)

Solve the system by substitution. 
y = 2x − 11 
2x − 8y = 4 

•  (6, 1)
• (6, −4)
• (6, −1)
• Infinite number of solutions  

x + 2y = 2
x = -4y + 2

• (-3, 0)
• (0, 2)
• (-3, -2)
• (2, 0)

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

• (-2, -1)
• (1, -2)
• (-2, 1)
• (-1, -2)