Question

Решить систему неравенств 3х>12+11х 5х-1<0

Answer 1

$3x\ \textgreater \ 12+11x\\-8x\ \textgreater \ 12\to8x\ \textless \ -12\\x\ \textless \ -1,5$
x∈(–∞; –1,5)

$5x-1\ \textless \ 0\\5x\ \textless \ 1\\x\ \textless \ \frac{1}{5}$
x∈(–∞; 0,2)

Answer 2

3х<12+11х; 8х>-12; х>-1,5.
5х-1<0; 5х<1; х<0,2.
Ответ: -1,5<х<0,2.