Substitution and Elimination

y = 3x - 1
2x + 2y = 22

• (2, 5)
• (3, 8)
• (4, 11)
• (5, 14)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7x - y = -10
-7x + 5y = -6

• (-2, -4)
• (-2, -1)
• (-4, -1)
• (6, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x - 5y = 5
3x + y = 31

• (10, -1)
• (9, 4)
• (10, 1)
• (55, 10)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y.
2x − 3y = −1
 y = x − 1

• (-2,-3)
• (0,-1)
• (3,4)
• (4,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations:
y=5x+3
y=-2x-4

• (2,-1)
• (-1,-2)
• (1,-2)
• (-2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system:
x + 6y = 17
x - 3y = 8

• (5, 2)
• (11, 1)
• (1, 11)
• no solution

Tags

CCSS.8.EE.C.8B

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

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6