Question

solve for x:
$\sqrt{2x \: + \: 9 \: \: \: + \: x \: = \: 13}$
​

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ 2x + 9 + x = 13.

Or, 3x = 4.

Or, x = 4/3.

That's it..

Answer 2

$\: \: \: \: \: \: \: \: 2x + 9 + x = 13 \\ = > \: \: \: \: \: \: \: \: 3x + 9 = 13 \\ = > \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 3x = 13 - 9 \\ = > \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 3x = 4 \\ = > \: \: \: \: \: \: \: \: \ \: \huge{\boxed{x = \frac{4}{3}}}$