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Solve the following using equation by sublimation method 1x-3y-11=0 and 5x+y-7=0

Posted by Prerana Patil 5 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 5 years, 7 months ago

1x - 3y= 11 .......... (i)
5x+y= 7....... (ii)

Multiply equation (ii) by 3

15x + 3y = 21 ........... (iii)

Adding (i) and (iii), we get

16x = 32

x = 32/16 = 2

Put x = 2 in (i), we gwt

x - 3y = 11

2 - 3y = 11

-3y = 9

y = -3

0Thank You

Nikhil Mehta 5 years, 7 months ago

x=2. y=-3

0Thank You

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