Question

$3^5=x+5^3$, find $x$.

• A. $-118$
• B. $118$
• C. $\frac{1}{118}$
• D. None of the above

Answer 1

The correct option is B $118$

$3^5=x+5^3$

$⟹3\times 3\times 3\times 3\times 3=x+(5\times 5\times 5)$

$⟹243=x+125$

$⟹x=243-125$

$\therefore x=118$