Question

4.
6.
2x + 3y = 0, 3x + 4y = 5.​

Answer 1

Answer:

2x+3y = 0 3x+4y = 5

2x-3x = 4y-3y =5

1x = 1y =5

Answer 2

Answer:

We have,

2x+3y=9 ……. (1)

3x+4y=5 …… (2)

Now,

y=

3

9−2x

On putting the value of y, in equation (2), we get

3x+4(

3

9−2x

)=5

3x+

3

36−8x

=5

9x+36−8x=15

x=15−36

Now, put the value of x in equation (1), we get

y=

3

9−2(−21)

y=

3

9+42

y=

3

51

=17

Hence, this is the answer.

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