[tex]3 {}^{1} \times (n - {7}^{2}) = {6}^{3} - {5}^{0} + {1}^{4} [/tex]
[tex]3 \times (n - 49) = 216 - 1 + 1[/tex]
[tex]3 \times (n - 49) = 216[/tex]
[tex]n - 49 = 216 \div 3[/tex]
[tex]n - 49 = 72[/tex]
[tex]n = 49 + 72[/tex]
[tex]n = 121[/tex]