SOLUTION: solve for z 5x+z=y -y+2x=3=-z 3x+4y=18

Algebra.Com
Question 808946: solve for z 5x+z=y
-y+2x=3=-z
3x+4y=18

Found 2 solutions by Alan3354, Okeke_Christian:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
solve for z 5x+z+=y
-y+2x=3=-z Too many equal signs.
3x+4y=18

Answer by Okeke_Christian(26)   (Show Source): You can put this solution on YOUR website!
------eqn. 1
------eqn. 2
------eqn. 3

From eqn. 2,

Therefore,

Did you say "solve for z"?

RELATED QUESTIONS

3x +3/z=8/y solve for... (answered by Fombitz)
2x + 3z = 4 3y + 2z = 5 3x + 4y = −16 (x, y, z) = 2x +... (answered by Alan3354)
y=z/z-a solve for... (answered by macston)
Solve the system: x + y - z = 2 2x + y + z = 3 3x... (answered by Alan3354)
solve the system: x+y-z=2 2x+y+z=3... (answered by pie90010)
5x-4y+z=9... (answered by Fombitz)
Gauss Jordan method for... (answered by ikleyn)
5x + 5y - 4z = 13 5x + 3y + z = - 3 3x - 2y - z = - 10 x=___ y=___ z=___ (answered by Alan3354)
Solve for x, y, and z x + 2y + z = 2 5x = x y =... (answered by longjonsilver)