#7-2 SoE Substitution

Solve the system by substitution.

−3x + 3y = 4

x = y + 3

• No Solution

• Infinite Solutions

• (4, 1)

• (10, 7)

Tags

CCSS.8.EE.C.8B

Solve the system by substitution.

y = 4x - 10

y = 3x - 5

• (5 , 10)

• (1, -5)

• (2 , 1)

• (1, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution.

y = 4x + 3

2x - 3y = 21

• (-3 ,-9)

• (2, 11)

• (1, 7)

• (0, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the  system by substitution. 

y = −6x + 3
−18x − 3y = 4 

• (−3, 8) 
• (−8, −3) 
• (2, −3) 
• No Solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution.

• (-1, -3)

• (3, 1)

• (1, 3)

• (-3, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

• (-6, 1)

• (0, 0)

• (1, -6)

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution.
y = -4x + 5
y =  3x - 16

• (-3, -25)
• (3,-7)
• (11, 17)
• (21, 47)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by substitution. Does the system have one, none or infinite solutions?

8x + 4y = 12

y = -2x + 3

• (0,3)

• (3,0)

• No solution(parallel lines)

• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve the system of equations using substitution.

-4x + 4y = 8

y = -2x - 10

• (-4, -2)

• (12, -34)

• (4, -18)

• (-2, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by Substitution. 
y=2x
x + y = 9

• (6, 3)
• (3, 6)
• (-3, -6)
• no solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6