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CBSE Class 10 Answered

Solve the following pair of linear equation by elimination 4x +19y + 13 = 0 13x - 23y + 19 = 0
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Asked by ctmonasara914 | 23 Jan, 2019, 08:34: PM
answered-by-expert Expert Answer

4x + 19y + 13 = 0 ........(i)

13x - 23y + 19 = 0 ......(ii)

Multiplying by 13 to (i)

52x + 247y = -169 ......(iii)

Multiplying by 4 to (ii)

52x - 92y = - 76 .....(iv)

Subtracting (iv) from (iii)

339y = -93

y = -93/339 = -31/113

Put it in (i) we get x = -220/113

Answered by Sneha shidid | 24 Jan, 2019, 09:36: AM

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