Linear Eqn in Two Variables.

 

Exercise 3E R S Agarwal 

Problem No 01 

Chair = x 

Tables = y 

5 x + 4 y = 5600 ..... 1 

4 x + 3 y = 4340 ....... 2 

1 * 4  &  2 * 5 

20x + 16 y = 22400.......... a 

20x + 15y = 21700............b 

a-b 

y = 700

5x + 2800 = 5600 

5x = 2800 

x = 560 Ans 

Problem No 02

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