Solve Systems With Three Variables

Solve the system of equations:
x + y + z = 4
x = -2y
z = -3y

• (2, -1, 3)

• (2, 3, 1)

• None of these

• (4, 1, -1)

Solve the system of equations: 

• ( 4, 0, -2)

• ( -4, -2, 0)

• None of these

• ( -4, 0, -2)

Solve the system of equations: 

• ( 4, 2, -1)

• ( 4, 3, -1)

• None of these

• ( -4, 3, 1)

Solve the system of equations: 

• ( 5, 1, -4)

• (-5, 3, -1)

• None of these

• ( -1, 5, -4)

Solve the system of equations: 

• ( -1, 6, 1)

• ( 1, 6, -1)

• None of these

• ( -6, -1, 1)

Solve the system of equations: 

• ( -2, 2, 0)

• ( -2, -2, 0)

• ( 0, 2, 2)

• None of these

Solve the system of equations: 

• ( -2, -3, 4)

• ( -2, 4, -3)

• ( 2, -4,3)

• None of these

Solve the system of equations: 

• ( -2, 1, -3)

• ( 2, 3, -1)

• No solution

• None of these

Solve the system of equations: 

• ( -2, 4, 3)

• ( 2, 1, 6)

• No solution

• None of these

Use elimination or substitution to solve the systems.

• (4, 0, 2)

• (-4, 0, -2)

• (4, 0, -2)