Question

solve for x if 3^x-1=1by27

Answer 1

$\huge\boxed{\texttt{\fcolorbox{Red}{aqua}{Hey Mate!!!!}}}$

${3}^{x - 1} = \frac{1}{27} \\ = {3}^{x - 1} = \frac{1}{ {3}^{3} } \\ = 3 {}^{x - 1} = 3 {}^{ - 3} \\ x - 1 = - 3 \\ x = - 3 + 2 \\ x = - 2$
$\huge{\red{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\underline{Hope it helps..}}}}}}}}}}$