Question

 4(X – 3) = 7² – 1¹⁰

Answer 1

\(\Leftrightarrow4\left(x-3\right)=49-1=48\Leftrightarrow x-3=12\Leftrightarrow x=15\)

Answer 2

\(4\left(x-3\right)=7^2-1^{10}\)

\(4\left(x-3\right)=49-1\)

\(4\left(x-3\right)=48\)

\(\left(x-3\right)=48:4\)

\(x-3=12\)

\(x=15\)