Exercício Resolvido de Inequações
b)
\( 5x-7\geqslant 0 \)
\[
\begin{gathered}
5x-7\geqslant 0\\
5x\geqslant 7\\
x\geqslant\frac{7}{5}
\end{gathered}
\]
\[ \bbox[#FFCCCC,10px]
{V=\left[\phantom{{\frac{}{}}}\right.\;\frac{7}{5};+\infty\;\left[\phantom{{\frac{}{}}}\right.}
\]