The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system. 1 0 -5 -3

0 1 -4 -5

0 0 0 0

a. X = 5t+ 3

C.

x=51-3

y = 47-5

y = 47-5

Z=

t = any real number

b. x = -5t + 3

y = 48-5

Z=

t = any real number

z = 1

t = any real number

d. X=-57-3

y = 41-5

2=

* = any real number