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8x+5y+=9：3x+2y=4

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8x+5y+=9：3x+2y=4

Posted by Arundhati Gulave 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years, 7 months ago

By elimination method :

8x+5y = 9---------(1) ×2

3x+2y = 4 -----(2). ×5

we get,
16x+10y = 18
15x+10y= 20

subtracting both the equations we get;

x = -2

Putting the value of x in (1)...
8×-2 +5y = 9

-16+5y = 9

5y = 9+16

5y = 25

y = 25/5

y = 5

0Thank You

ANSWER

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CBSE > Class 10 > Mathematics