Solve Systems with Three Variables Using Elimination Method

Use elimination or substitution to solve the systems.

• (-2, -3, 3)

• (-2, 3, 3)

• (2, -3, 3)

Use elimination or substitution to solve the systems.

• (4, 0, 2)

• (-4, 0, -2)

• (4, 0, -2)

Use elimination or substitution to solve the systems.

• (4, 2, 0)

• (4, -2, 0)

• (-4, -2, 0)

Use elimination or substitution to solve the systems.

• (1,3,1)

• (-1,3,1)

• (1,-3,-1)

Solve the system using elimination.

Solve the system using elimination.

Which of the following could be a correct first step in solving the system shown? Select all that apply.

• Multiply the first equation by 2, then add the result to the third equation.

• Multiply the second equation by 2, then add the result to the third equation.

• Add the first and second equation.

• Add the first and third equation.

• Add the second and third equation.

What is the solution to the system?

• (5,-3,2)

• (-3,5,2)

• no solution

• infinite solutions

What is the solution to the system?

• (-4,3,5)

• (2,-3,5)

• no solution

• infinitely many solutions

x+y+z=12

3x+y=19

5x=25

What would you solve for First?

• Solve for x

• Solve for y

• Solve for z

• (5,3,4)