Consider these two simultaneous equations: y = 2x-x-20 2x - 2y = K Find a value for K, such that this set of simultaneous equations has only one (x,y) solution Consider these two simultaneous equations: y = 2x-x-20 2x - 2y = K Find a value for K, such that this set of simultaneous equations has only one (x,y) solution Consider these two simultaneous equations: y = 2x-x-20 2x - 2y = K Find a value for K, such that this set of simultaneous equations has only one (x,y) solution Consider these two simultaneous equations: y = 2x-x-20 2x - 2y = K Find a value for K, such that this set of simultaneous equations has only one (x,y) solution