## UP Board Solutions for Class 10 Maths Chapter 3 Exercise 3.3 Pair Of Linear Equations In Two Variables

Exercise 3.3 1.Solve the following pair of linear equations by the substitution method : Sol. (i) The given system of equations is x +3 = 14 …(1) and, x-y = 4 …(2) Substituting y = 14-x in (2), we get x – (14 -x) = 14 => x-14 x = 4=> 2x = 4 + …