Algebra Solve by Substitution

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 using substitution

x = -3y - 17

2x + 3y = -7

• (1, -20)

• (3, 0)

• (-5, -2)

• (10 , -9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How do you solve a system of equations?

(CLICK ALL THAT APPLY)

• graphing

• elimination

• substitution

• nSolve

• linSolve

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

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

Solve the system of equations.

y = -2x + 3

y = 3x - 2

• (1, 1)

• (-1, 5)

• (-1, -5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6