Question

The square root of 5 more than twice a number is 7. Find the number

Answer 1

22

Answer 2

\[\sqrt {2x+5} = 7\]
squaring both sides
\[2x+ 5 = 7^2 \]
\[2x+ 5 = 49\]
\[2x= 49-5\]
\[2x= 44\]
\[x= \frac{44}{2}\]
\[x = 22\]