Tìm x: a) X + 2143 = 4465 b) X - 2143 = 4465 c) X : 2 = 2403 d) X x 3 = 6963

a) X + 2143 = 4465

     X = 4465 - 2143

     X = 2322

b) X - 2143 = 4465

     X = 4465 + 2143

     X = 6608

c) X : 2 = 2403

     X = 2403 x 2

     X = 4806

d) X x 3 = 6963

     X = 6963 : 3

     X = 2321