Try another version of this question Solve the system of equations. If the system has an infinite number of solutions, express them in terms of the parameter z. Get help:
`{(,-,3y,-,6z,=,9),(4x,+,5y,-,10z,=,-3),(4x,+,3y,-,14z,=,3):}`
x =
y =
z =
`3+5z`
`-3-2z`
`z`