Given equations are 2x+y=4.....(i) 3x+2y=2....(ii) and ‌‌x+y=−2....(iii) On solving Eqs. (i) and (ii), we get x=6 and y=−8 On putting the values of x and y in Eq. (iii). we get 6−8=−2 ⇒‌‌−2=−2, which is true Hence, only one solution exist.