[tex]\large\displaystyle\text{$\tt 2x-8=22 $}[/tex]
[tex]\large\displaystyle\text{$\tt 2x=22+8$}[/tex]
[tex]\large\displaystyle\text{$\tt 2x=30 $}[/tex]
[tex]\large\displaystyle\text{$\tt x=\dfrac{30}{2}$}[/tex]
[tex]\large\displaystyle\text{$\boxed{\tt x=15} $}[/tex]
