Use the substitution method to solve the following system of equations. x + 2y - z = 7 4x - y + 3z = -2 2x + 2y - z = 9 (2, 1, 3) (2, 1, -3) (-2, 1, -3) (-2, -1, 3)

Question

Use the substitution method to solve the following system of equations.  x + 2y - z = 7 4x - y + 3z = -2 2x + 2y - z = 9  		 	(2, 1, 3) 	(2, 1, -3) 	(-2, 1, -3) 	(-2, -1, 3)

anonymous · Answer

Use the substitution method to solve the following system of equations.

x + 2y - z = 7
4x - y + 3z = -2
2x + 2y - z = 9

Choices
(2, 1, 3)
	(2, 1, -3)
	(-2, 1, -3)
	(-2, -1, 3)

anonymous · Answer

anyone here.

whpalmer4 · Answer

Bueller?  Bueller? :-)

whpalmer4 · Answer

Do you know how to do the substitution method?

anonymous · Answer

Im just looking for the answer atm.

whpalmer4 · Answer

Maybe someone else will help you, then.

anonymous · Answer

ok lol I am busy with other homework note my late replies.

anonymous · Answer

ANYONE HELP!