Question

प्रतिस्थापन विधि' से हल करे 2x+3y=2 4x-9y=-1

Answer 1

Answer:

2x+3y=2____(1)×4

4x-9y=-1____(2)×2

8x+12y=8

8x-18y=-2

________

30y=10

y=1/3

from equation (1)

2x+3/2=2

2x=2-3/2

2x=1/4

x=1/8

Answer 2

Answer:

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