Question

-(3) 2x - 3y = 9; 2x + y = 13. solve this​

Answer 1

Answer:

By adding both the equations we get

4x-2y= 22

2(2x-y)= 22

2x-y= 22/2

2x-y= 11

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Answer 2

Answer:

2x – 3y = 9 .....(I)

2x + y = 13 .....(II)

Subtracting (II) from (I) we get

– 3y − y = 9 − 13

⇒−4y=−4⇒y=1

Putting this value in (I) we get

2x−3(1)=9

⇒2x=9+3=12

⇒x=122=6

Thus, (x, y) = (6, 1)