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Solve by elimination method... 3x+2y=4 2x-3y=7

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Solve by elimination method... 3x+2y=4 2x-3y=7

Posted by Prem Kumar 6 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 6 years, 8 months ago

3x+2y=4 ........ (i)
2x-3y=7 ....... (ii)
Multiply (i) by 3 and (ii) by 2
9x + 6y = 12......... (iii)
4x - 6y = 14 ......... (iv)
Add (iii) and (iv)
13x = 26
x = 26/13 = 2
Put x = 2 in (i) , we get
3(2) + 2y = 4
6 + 2y = 4
2y = 4 - 6
2y = -2
y = -1

1Thank You

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CBSE > Class 10 > Mathematics