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:
`{(-13x,-,2y,+,16z,=,-32),(25x,+,9y,-,5z,=,77),(5x,+,y,-,5z,=,13):}`
x =
y =
z =
`2+2z`
`3-5z`
`z`