Question

समीकरण हल कीजिए -(आलेख विधि से नहीं) 4x-5y+16=0<br />2x-y-6=0<br />​

Answer 1

Given : 4x-5y+16=0   , 2x-y-6=0

To Find : समीकरण हल कीजिए

Solution:

4x-5y+16=0     Eq1

2x-y-6=0         Eq2

Eq1  - 2 * eq2

=> 4x-5y+16  - 2 (2x-y-6) = 0 - 2 * 0

=> 4x-5y+16 - 4x + 2y + 12 = 0 - 0

=> -3y + 28  = 0

=> 28 = 3y

=> 28/3 = y

Eq1  - 5 * eq2

=> 4x-5y+16  - 5 (2x-y-6) = 0 - 5 * 0

=> 4x-5y+16 - 10x + 5y +30 = 0 - 0

=> -6x + 46  = 0

=> 46 = 6x

=> 46/6 = x

=> 23/3 = x

x  = 23/3

y = 28/3

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Answer 2

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