Systems of Linear Equations in Two Variables

Solve for x and y using elimination.

3x + 2y = 16

7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Solve this system

of linear equations by substitution.

x = 8 - 4y

3x + 5y = 3

• ( 20, -3 )

• ( 3, -4 )

• ( -4, 3 )

• ( -3, 20 )

Solve this system

of linear equations by substitution.

y = -4x + 5

2x - 3y = 13

• ( 3, -2 )

• ( -3, 2 )

• ( -2, 3 )

• ( 2, -3 )

Solve this system

of linear equations by elimination.

3x - 4y = 14

5x + y = 8

• ( -2, 2 )

• ( 2, -2 )

• ( 2, 2 )

• ( -2, -2 )

Solve this system

of linear equations by substitution.

y = x + 3

-2x + 2y = 6

• no solution

• infinite solutions

• ( 4, 1 )

• ( 5, 2 )

Solve this system

of linear equations.

x = y - 3

2x - 2y = 7

• ( 1, 4 )

• ( 2, 5 )

• no solution

• infinite solutions

Tags

CCSS.8.EE.C.8B

Solve the following system of equations using the elimination method:

• (-2, 1)

• no solutions

• (-2, 0)

• (-1, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution.
y = -4x + 5
y =  3x - 16

• (-3, -25)
• (3,-7)
• (11, 17)
• (21, 47)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution.

y = 4x+1

3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

Solve by elimination:

-9x - 4y=-20

5x + 4y=4

• (-4,4)

• (4,4)

• (4,-4)

• (-4,-4)