9) 3 5 x+ 1 25 y=32,\\ 7/30 * x - 0/10 * y = - 38 ;

7) 6/7 * x - 5/9 * y = 2 ,\\ - 2 21 x- 1 9 y=6:

8) 1/6 * x - 3/4 * y = - 1 ,\\ 11 12 x+ 1 2 y=13;

10) 4/11 * x - 20/33 * y = - 8/11 ,\\ 2 3 x+ 10 11 y=- 8 11 . решите пж
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