Swate Llamasaur! Joined Aug 6, 2011 Messages 589 Reaction score 1,920 30 20 10 15 10 5 2 1 SirCiphered said: Nevermind the answer - what's this used for? Click to expand... Give you an example. If 3x+6y+4z=70 5x+2y+3z=96 & 2x+3y+z =44 then the formula is used to find out the value of z. Then from there you can do normal elimination for 2 unknowns (x and y) Sep 2, 2013 #51
SirCiphered said: Nevermind the answer - what's this used for? Click to expand... Give you an example. If 3x+6y+4z=70 5x+2y+3z=96 & 2x+3y+z =44 then the formula is used to find out the value of z. Then from there you can do normal elimination for 2 unknowns (x and y)
