Solving a Systems of Equations by Substitution -- Pre-Algebra

Solve by Substitution: x = 1 and x + y = 6

• (1, 6)

• (1, 5)

• (1, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by Substitution: y = 2 and -4x + 7y = 2

• (3, 2)

• (2, 3)

• (-4, 7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by Substitution: y = 8x and x + y = -9

• (8, -9)

• (64, 8)

• (-1, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by Substitution: y = 3x and -3x + 4y = 9

• (1, 2)

• (1, 3)

• (-2, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by Substitution: y = 3x - 3 and 2x + 4y = 30

• (6, 15)

• (2, 4)

• (3, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the y-value of the solution to the following systems of linear equations?

y = x + 2

x + 2y = 5

• 3

• 2

• 5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution of the systems of equations shown below?

y = 8x - 2

y = 7x

• (-2, -14)

• (2, 14)

• (2, 18)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution of the systems of equations?

y = 3x - 4

2x - 5y = 46

• (2, -5)

• (3, -4)

• (-2, -10)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system of equations is shown below. What is the x-value in the solution to the system of equations?

y = 3x - 1

y = 5x - 7

• 1

• -2

• 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system of equations is shown.

y = 2x - 5

y = x + 1

What is the solution to the system of equations?

• x = 6

  y = 7

• x = 2

  y = -1

• x = 2

  y = 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6