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 2 years ago
What is the solution of the system of equations?
somebody please help. I found z i need help with x and y
3x+2y+z= 7
5x+5y+4z=3
3x+2y+3z=1
 2 years ago
What is the solution of the system of equations? somebody please help. I found z i need help with x and y 3x+2y+z= 7 5x+5y+4z=3 3x+2y+3z=1

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baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1351125106782:dw

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0Now we have x in terms of y... right?

whadduptori
 2 years ago
Best ResponseYou've already chosen the best response.0wait where did you get the 3x+2y=10

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0Adding 3 to both sides

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1351125353226:dw

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1351125376339:dw

whadduptori
 2 years ago
Best ResponseYou've already chosen the best response.0oh okay i see now! ok im with you now!

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0So if x=10/3  2y/3 and z =3 then we can write 5x+5y+4z=3 5(10/3  2y/3) + 5y +4(3) = 3 We can now solve for y

whadduptori
 2 years ago
Best ResponseYou've already chosen the best response.0my friend gave me the answer and x=4 y=1 and z = 3 i got z but i dont know how she got x and y

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0Well I just told you how you can solve for y 5(10/3  2y/3) + 5y +4(3) = 3

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1351125741476:dw

whadduptori
 2 years ago
Best ResponseYou've already chosen the best response.0and you get the anwser y=1

baldymcgee6
 2 years ago
Best ResponseYou've already chosen the best response.0okay, I trust that you did the math and are not just taking your friends answer. So we have z= 3 and y = 1dw:1351126015670:dw
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