CBSE Class 10 Answered
Solve the following pair of linear equation by elimination
4x +19y + 13 = 0
13x - 23y + 19 = 0
Asked by ctmonasara914 | 23 Jan, 2019, 08:34: PM
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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