Solving System of Equations by Substitution

Solve each system of equations.
y = 3x - 11.  ----------------------------------2x + 3y = 0.

• (-2,3)
• (-3,2)
• (3,-2)
• (2,-3)

Solve each system of equations.------- x - y = 5.  ------------------------------------- x + y = 3

• (4,1)
• (4,-1)
• (-4,1)
• (-4,-1)

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:
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:
y=8x+1
y=6x+3

• (1, 9)
• (4, 14)
• (0, 1)
• (2, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve each system by substitution.

• A
• B
• C
• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve each system by substitution.

• A
• B
• C
• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• ( 4/7, -15/7 )
• (-2, -3)
• ( 4/3, 5/3)
• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = −2
4x − 3y =18

• (3,-2)
• (-2,3)
• (2,-3)
• (3,3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Solve : 
3x-y=5
x+y=3

• X=2 , Y=1 
• X=1 , Y=2
• X= 1/2 , Y=4
• None of these are correct

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6