Solving Systems of Equations using Substitution

Solve the system of equations:

y=2x

x + y = 9

• (6, 3)

• (3, 6)

• (-3, -6)

• no solution

Tags

CCSS.HSA.REI.C.7

Solve:
x = -3y - 17
2x + 3y = -7

• (1, -20)
• (3, 0)
• (-5, -2)
• (10 , -9)

Tags

CCSS.HSA.REI.C.9

Solve:
y = -1x - 5
4x - 8y = 4

• (-3, -2)
• (5, -7)
• (3, 9)
• (-5, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution.

3x − 2y = 7

y = 2x − 7

• No solution

• (7, 7)

• (−7, −7)

• (−7, −3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:

4x - 2y = 6

y = 3x - 3

• (3, 6)

• (-7, 1)

• (0, -3)

• (2, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6