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hartnnBest ResponseYou've already chosen the best response.1
what have u tried ? tried elimination method ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
subtract eq. 1 from eq. 3, what u get ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
that is correct! need further help? because its just now 2 variables to solve and u will have 3 equations for it...
 one year ago

mskyegBest ResponseYou've already chosen the best response.1
oncause this is where i got stuck when i did it previously
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
that u got from 2nd equation, right ? what is 34z= ? not 9, i suppose...
 one year ago

mskyegBest ResponseYou've already chosen the best response.1
ya i got it from the second equation but i just got 5y+5y=24 after plugging it in that would mean that 0=24 which makes no sense
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
can u show your working, so that i may point out the error. and di u understand how x=9/5  y is incorrect, it should be x=5y
 one year ago

mskyegBest ResponseYou've already chosen the best response.1
5x+5y+4z=3 5x+5y+4(3)=3 5x+5y12=3 5x+5y=9 5x=95y shouldn't that then equal x=9/5y because Im dividing both parts by 5???
 one year ago

mskyegBest ResponseYou've already chosen the best response.1
oooooh oops i just realized my error
 one year ago

mskyegBest ResponseYou've already chosen the best response.1
5x+5y+4z=3 5x+5y+4(3)=3 5x+5y12=3 5x+5y=15 5x=155y x=3y
 one year ago

robtobeyBest ResponseYou've already chosen the best response.0
@mskyeg Would posting the final solutions be satisfactory?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
now plug hat in 1st equaion
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
3(3y)+2y+(3)=7 and u get y
 one year ago
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