1.

2x + 3y = 7 ; 5x - 9y = 12​

Answer»

ong>Answer:

The answer is below

Step-by-step EXPLANATION:

(2x + 3y = 7)× 3 ------ 6x + 9y = 21

------ 5x - 9y = 12

= 11x = 33 ; x=33/11

x = 3

substitute x= 3 in 2x+ 3y = 7

2(3)+3y=7 ; 6 + 3y =7 ; 3y = 7-6

3y = 1 ... y = 1/3

ANS : x = 3 , y = 1/3..

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