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2x+3y+5=0 3x+2y-12=0

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2x+3y+5=0 3x+2y-12=0

Posted by Imran Khan 4 years, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Preeti Dabral 4 years, 4 months ago

2x+3y=-5 (1)

3x-2y=12 (2)

Add eq 1 and 2 we get

5x+1y=7 (3)

Now

Subtract 1 from 2,we get

X-5y =17 (4)

Multiply 3 by 5 we get,

25x+5y=35 (5)

Now ,

Add 4 and 5 we get,

26x=52

X=2

now ,

Substitute x=2 in eq3

5x+1y=7

5×2+1y=7

10+y=7

y=7-10

y=-3

(x,y)=(2,-3)

0Thank You

Gaurav Singh 4 years, 4 months ago

Thanks

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Ashish Raj 4 years, 4 months ago

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