\(\begin{array}{l}4\left( {x - 3} \right) = {7^2} - {1^{10}}\\4\left( {x - 3} \right) = 49 - 1\\4\left( {x - 3} \right) = 48\\\,\,\,\,\,\left( {x - 3} \right) = 12\\\,\,\,\,\,\,\,x\,\,\,\,\,\,\,\,\,\, = 12 + 3\\\,\,\,\,\,\,\,x\,\,\,\,\,\,\,\,\,\, = 15\end{array}\)
