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5x + 2y = -3; x …

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5x + 2y = -3; x + 5y = 4

Posted by Paras Jadhav 5 years ago

ICSE & ISC > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years ago

5x + 2y = -3 ........ (i)
x + 5y = 4
x = 4 - 5y ........... (ii)
Put (ii) in (i), we get
5(4 - 5y) + 2y = -3
20 - 15y + 2y =-3
- 13y = - 3 - 20
-13y = -23
y = 23/13
Put value of y in (ii), we get
x = 4 - 5(23/13)
x = (52 - 5)/13 = 47/3

2Thank You

ANSWER

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ICSE & ISC > Class 10 > Mathematics