Решите неравенства а)5(x-2)+12>7-3(x+4) b)3(a+8)-5(a-1)<7 c)4(x-1.5)+1≥6x+1.2...

Решите задачу:

$1)\; \; \; 5(x-2)+12\ \textgreater \ 7-3(x+4)\\\\5x-10+12\ \textgreater \ 7-3x-12\\\\8x\ \textgreater \ -7\\\\x\ \textgreater \ -\frac{7}{8}\\\\2)\; \; \; 3(a+8)-5(a-1)\ \textless \ 7\\\\3x+24-5x+5\ \textless \ 7\\\\-2x\ \textless \ -22\\\\x\ \textgreater \ 11\\\\3)\; \; 4(x-1,5)+1 \geq 6x+1,2\\\\4x-6+1 \geq 6x+1,2\\\\ -6,2\geq 2x\\\\x \leq -3,1$

$4)\; \; \; 4x-(x+6)-3(2-x) \leq 4\\\\4x-x-6-6+3x \leq 4\\\\6x \leq 16\\\\x \leq \frac{16}{6}\\\\x \leq \frac{8}{3}\\\\x \leq 2\frac{2}{3}$