Question

2) The solution of the pair of linear equations 13x 7y
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Answer 1

4x+19y+13=0

13x−23y+19=0

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ANSWER

4x+19y+13=0

13x−23y+19=0

By elimination method,

13(4x+19y+13)=0

4(13x−23y+19)=0

⇒52x+247y+169=0

52x−92y+76=0

- + -

_________________

339y+93=0

y=

339

−93

=

113

−31

4x+19(

113

−31

)+13=0

4x=

113

539

−13=

113

880

⇒x=

113

−220

y=

113

−31

solution

Answer ByavatarToppr

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ASK

Solve:

2x+3

x+y

=

6

3

4x

2

+5y=6+20xy−25y

2

+2x,7x−11y=

Answer 2

Answer:

If x=0,

y=0

If x=1,

y=-13/7

If x=-1,

y=13/7

If x=2,

y=-26/7

If x=-2,

y=26/7

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