Recent content by justin_diaz

The solution of the system ax + ay - z = 1 x - ay - az = - 1 ax - y + az = 1 is (x,y,z) = (a,b,a). If a is not an integer, what is the value of a + b. A) -3/2 B) -1 C) 0 D) 1/2 E) 1 Can anyone help I don't know how to approach thisOk then you get : a^2 + ab -a = 1 a - ab - a^2 = -1 a^2 - b...