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:
`{(-9x,+,16y,-,3z,=,43),(6x,-,10y,,,=,-28),(2x,-,4y,+,2z,=,-10):}`
x =
y =
z =
`-3+5z`
`1+3z`
`z`