**Linear Equations in Two Variables**

**Practice Set 1.1**

**(1) Complete the following activity to solve the Simultaneous equations.**

5x + 3y = 9 ------- (I)

**(2) Solve the following simultaneous equations.**

(2) x + 7y = 10; 3x - 2y = 7 [Solution Click Here]

(4) 5m - 3n = 19; m - 6n = - 7 [Solution Click Here]

(5) 5x + 2y = - 3; x + 5y = 4 [Solution Click Here]

(6) 1/3 x + y = 10/3 ; 2c + 1/4y = 11/4 [Solution Click Here]

(7) 99x + 101y = 499; 101x + 99y = 501[Solution Click Here]

**Practice Set 1.2**

**1. Complete the following table to draw graph of the equations. [Ans]**

x + y = 3

x – y = 4

**2. Solve the following simultaneous equations graphically.**

i. x +y = 6 ; x – y = 4 [Ans.]

ii. x + y = 5 ; x – y = 3. [Ans]

iii. x + y = 0; 2x – y = 9. [Ans]

iv. 3x – y = 2; 2x – y = 3. [Ans]

v. 3x – 4y = - 7 ; 5x – 2y = 0 [Ans]

vi. 2x – 3y = 4 ; 3y – x = 4. [Ans]