$$\left. \begin{array} { l } { 7 x - 4 = 23 } \end{array} \right.$$
$x = \frac{27}{7} = 3\frac{6}{7} \approx 3.857142857$
$$7x=23+4$$
$$7x=27$$
$$x=\frac{27}{7}$$
Show Solution
Hide Solution
