(1 3/4 -1 19/48)*х=1 2/3- 3 5/7
(7/4-67/48)*x=5/3-26/7
17/48x=-43/21
x=-43/21*48/17
x=-5 93/119
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(1 2/3-37/75)*х=2 1/3-4 1/5
(5/3-37/75)*x=7/3-21/5
88/75x=-28/15
x=-28/15*75/88
x=-1 13/22
5/8
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(2x-1)/4 - 3(x-1)/2 < (x-1)/2 + 3
2x - 1 - 2·3·(x - 1) < 2·(x - 1) + 4·3
2x - 1 - 6x + 6 < 2x - 2 + 12
5 - 4x < 2x + 10
6x > -5
x > -5/6