(4х+13)/10 - (5+2х)/4 > (6-7х)/20 - 2,
2(4х+13)/20 - 5(5+2х)/20 > (6-7х)/20 - 40/20,
(8х+26 - 25-10х - 6+7х)/20 > - 40/20,
(5х-5)/20 > - 40/20,
5(х-1)/20 > - 40/20,
5(х-1) > - 40,
х - 1 > -8,
х > -8 + 1,
х > -7 (ответ Г)
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Answers & Comments
(4х+13)/10 - (5+2х)/4 > (6-7х)/20 - 2,
2(4х+13)/20 - 5(5+2х)/20 > (6-7х)/20 - 40/20,
(8х+26 - 25-10х - 6+7х)/20 > - 40/20,
(5х-5)/20 > - 40/20,
5(х-1)/20 > - 40/20,
5(х-1) > - 40,
х - 1 > -8,
х > -8 + 1,
х > -7 (ответ Г)