Автор - mariannak292965

Решите пожалуйста!!!!!!!!!

Ответ

Автор - Armenia2780
{6х-8>-3(х-2)
{4(х+5)≥9х-7

{6х+3х>8+6
{4х-9х≥-20-7

{9х>14
{-5х≥-27

{х>14/9
{х≤27/5

____14/9______27/5____

х€(14/9;27/5]

Ответ

Автор - drakerton

Ответ:

xin (1frac{5}{9}; 5,4]

Пошаговое объяснение:

left { {{6x-8 > -3(x-2)} atop {4(x+5) geq 9x-7}} right. \\left { {{6x-8 > -3x+6} atop {4x+20 geq 9x-7}} right. \\left { {{6x+3x > 6+8} atop {4x-9x geq -7-20}} right. \\left { {{9x > 14} atop {-5x geq -27}} right. \\left { {{x > 1frac{5}{9}} atop {x leq 5,4}} right. \\xin (1frac{5}{9}; 5,4]

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