Solve the system of equations

Question

X-y-z=4

2x+3y over 4=z

6y=2z

write in form xyz

Answer 1

x-y-z=4

(2x+3y)/4=z

6y=2z

 

z=3y

(2x+3y)/4=3y

x=4+y+z

x=4+y+3y

x=4y+4

 

(2(4y+4)+3y)/4=3y

(8y+8+3y)/4=3y

(11y+8)/4=3y

11y+8=12y

 

y=8

z=24

x=4y+4=36

 

(36,8,24)