Question

Find the value of $m$ , if $x=5$ and $\sqrt{2m+11}-x=0$.

Answer 1

Given, $\sqrt{2m+11}-x=0$
Put the value of $x$ to the above equation, we get
$\sqrt{2m+11}-5=0$
$\sqrt{2m+11}=5$
Squaring both the sides, we get
$2m+11=25$
$2m=25-11$
$2m=14$
$m=7$