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:
`{(-4x,+,3y,-,z,=,3),(3x,-,13y,-,53z,=,-13),(-x,+,3y,+,11z,=,3):}`
x =
y =
z =
`-4z`
`1-5z`
`z`