Question

решите неравенство 2(5х-1)-(3х-4)>6(х-2) ​

Answer 1

Ответ:

$10x - 2 - (3x - 4) > 6(x - 2)$

$10x - 2 - 3x + 4 > 6(x - 2)$

$10x - 2 - 3x + 4 > 6x - 12$

$7x - 2 + 4 > 6x - 12$

$7x + 2 > 6x - 12$

$7x - 6x + 2 > - 12$

$7x - 6x > - 12 - 2$

$x > - 12 - 2$

$x > - 4$