Solve simultaneously 2x + y − z = 8 ...... equation(i) x^2 − y^2 + 2z^2 = 14 .... equation(ii) 3x^3 + 4x^3 + z^3 = 195 ..... equation(iii) please help thanks.


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Question Number 5792 by sanusihammed last updated on 28/May/16

$S o l v e s i m u l t a n e o u s l y$ $2 x + y - z = 8 . . . . . . e q u a t i o n (i)$ $x^{2} - y^{2} + 2 z^{2} = 14 . . . . e q u a t i o n (i i)$ $3 x^{3} + 4 x^{3} + z^{3} = 195 . . . . . e q u a t i o n (i i i)$ $p l e a s e h e l p t h a n k s .$
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