10th maths 1 linear equations in two variables practice set 1.1
1) LINEAR EQUATIONS IN TWO VARIABLES Q1)compleat the following activity to solve the simultanous equation. 5x + 3y = 9 -------------(1) 2x - 3y = 12-------------(2) Q2)solve the following simultanois equation 1)3a + 5b = 26 ; a + 5b = 22 2)x +7y= 10; 3x - 2y =7 3)2x - 3y = 9 ; 2x + y = 13 4)5m - 3n = 19 ; m - 6n = -7 5)5x + 2y = 3 ; x + 5y = 4 6)1÷3x+y=10÷3 ; 2x + 1÷4 y = 11÷4 7)99x+101y=499;101x+99y=501 8)49x - 57y =172 ; 57x - 49y = 252