Can anyone help me with this:5x -3 < -3
\(5x -3 < -3 \\ 5x<0\\ x<0\)
\(5x-3 < -3\ \ \ \ /+3\\5x-3+3 < -3+3\\5x < 0\ \ \ \ /:5\\x < 0\\\\x\in\mathbb{R^+}\Rightarrow x\in(0;\ \infty)\)
