Question

x/2-y/9=6,x/7+y/3=5 solve it by using Elemination process
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Answer 1

Explanation:

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Answer 2

(i) x/7 + y/3 = 5

3x + 7y/21 = 5

3x + 7y = 105

(ii) x/2 - y/9 = 6

9x - 2y/18 = 6

9x - 2y = 108

Eliminating -

(i)3x + 7y = 105 × 3

(ii)9x - 2y = 108

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9x + 21y = 315

9x - 2y = 108

y = 9

x = 14

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