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If x+y=2 -x+y=5 Find x and …

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If x+y=2 -x+y=5 Find x and y

Posted by Pranjal Salvi 6 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Kanaka Kollati 6 years, 1 month ago

1.X is 3 ,Y is 5=2 2.-X is 8 y is 3

0Thank You

Yogita Ingle 6 years, 2 months ago

x+y=2 ......... (i)
-x+y=5 ............ (ii)
Adding (i) and (ii)
x + y -x + y = 2 + 5
2y = 7
y = 7/2
put y= 7/2 in (i), we get
x + 7/2 = 2
x = 2 - 7/2

x = -3/2

2Thank You

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