\(a,\)\(2x+3>5\)
\(\Rightarrow2x>5-3\)
\(\Rightarrow2x>2\)
\(\Rightarrow x>1\)
\(\frac{3}{5}x+\frac{12}{15}< 0\)
\(\Rightarrow\frac{3}{5}x+\frac{4}{5}< 0\)
\(\Rightarrow3x+4< 0\)
\(\Rightarrow3x< -4\)
\(\Rightarrow x>\frac{-4}{3}\)
1) \(2x+3>5\Leftrightarrow2x>2\Leftrightarrow x>1.\)
2)\(\frac{3}{5}x+\frac{12}{15}< 0\)
\(\Leftrightarrow\frac{3}{5}x< -\frac{4}{5}\)
\(\Leftrightarrow x< -\frac{4}{5}:\frac{3}{5}\)
\(\Leftrightarrow x< -\frac{4}{3}\)
3) \(24x-5\le14,5\)
\(\Leftrightarrow24x\le14,5+5\)
\(\Leftrightarrow24x\le19,5\)
\(\Leftrightarrow x\le\frac{13}{16}\)
4) \(1,5x+4\le7\)
\(\Leftrightarrow1,5x\le3\)
\(\Leftrightarrow x\le2\)
\(c,\)\(24x-5\le14,5\)
\(\Rightarrow24x\le19,5\)
\(\Rightarrow x\le0,8125\)
\(d,\)\(1,5x+4\le7\)
\(\Rightarrow1,5x\le3\)
\(\Rightarrow x\le2\)