Substitution in Algebra

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

• (3,-9)
• (-3,-9)
• (-3,9)
• (0,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?
x= 7 - 2y
2x + y = 5

• (-1,4)
• (4,-1)
• (1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?
2x + 3y = 4
y= 5x - 27

• (5,-2)
• (5, 2)
• (2,3)
• (3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
y = 7x + 9
2y + 2x = -18

• (5, 0)
• (9, 18)
• (-2, -5)
• (1, 16)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations:
3x + 2y = 16
7x + y = 19

• (-2, 5)
• (-2, -5)
• (2, -5)
• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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