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AonZ
 3 years ago
Simutaneosly solve
x5yz=13
2x+y+z=0
3x+y+2z=11
AonZ
 3 years ago
Simutaneosly solve x5yz=13 2x+y+z=0 3x+y+2z=11

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AonZ
 3 years ago
Best ResponseYou've already chosen the best response.0I know how to solve 2 simutaneous equations but no idea about 3

AonZ
 3 years ago
Best ResponseYou've already chosen the best response.0i rather the elimination method :P

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1ok, so if i help you get 2 equations in x and y only , will you be able to solve the rest ? 1) Add 1st and 2nd equation, what u get ?

AonZ
 3 years ago
Best ResponseYou've already chosen the best response.0i just need the steps in which to complete it i think

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1now multiply 1st equation by 2

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1now add it with 3rd equation.....

AonZ
 3 years ago
Best ResponseYou've already chosen the best response.0x9y=37 Btw does it matter if you add the 2nd to the 3rd eqution instead of 1st to 3rd?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1if you add 2nd and 3rd equation, you could not have eliminated 'z'

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1now can you find 'x' and 'y' ?

AonZ
 3 years ago
Best ResponseYou've already chosen the best response.0mhm... I sub x and y into the 1,2,3 equation?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1yes, correct :) ask if any doubts.
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