Systems of Equations with Eliminations and Substitution

Solve the following system of equations algebraically using Elimination Method.

• (1, 1)

• (3, 1)

• (-1, -1)

• (1, 3)

Solve the following system of equations algebraically using elimination method.

• No Solution

• (0, 0)

• (4, 4)

• (4, 0)

Solve the following system of equations algebraically using elimination method.

• (3, -3)

• (-3, 3)

• (3, 5)

• (-3, 5)

Solve the following system of equations algebraically using elimination method.

• (-3, 4)

• (3, 4)

• (3, -4)

• (-3, -3)

(a)  

• A

• B

• C

• D

Solve using substitution or elimination. −4x − 2y = −12 4x + 8y = −24

• (5,-5)

• (6,-6)

• No solution

• Infinitely many solutions

3x + y = 4
x + 2y = -2

• (2,2)

• (-2,-2)

• (2,-2)

• (-2,2)

Solve:
x + y = 4
-5x - 6y = -18

• (6, -2)

• (-6, 10)

• (2, 2)

• (-2, 6)

What is the value of x in the solution to this system of equations?

• 6.5

• -6.5

• 0.5

• -0.5

What is the value of x in the solution to this system of equations?

• 3