решите неравенства 9х-7>20 5x-6

March 2022 1 22 Report

решите неравенства
9х-7>20
5x-6<3x+8

Selianinakamas 9х-7>20 5х-6<3х+8
9х>20+7 5х-3х<8+6
9х>27 2х<14
х>27/9 х<14/2
х>3 х<7

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