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OpenStudy (anonymous):
does any1 know how to do this ??? -> 2x+y-z=6 y=-x+4 z=4x+1
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OpenStudy (anonymous):
sub your y & z equation into your origional equation and solve for x. then solve the other two variables
OpenStudy (anonymous):
ok :) ill try it
OpenStudy (anonymous):
u should get x=-1,y=5,z=-3
OpenStudy (anonymous):
can you do y please i got stuck :p
OpenStudy (anonymous):
nvm i got it
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