Question

solve for X that
$\sqrt{2x + 9}$
+x is equal to 13

Answer 1

HEY mate here is your answer.

hope it helps you.

Answer 2

Answer:

8

Step-by-step explanation:

Hi,

Given that √(2x + 9) + x = 13

√(2x + 9) = 13 - x

Squaring on both sides, we get

2x + 9 = (13 - x)²

⇒ x² - 26x + 169 = 2x + 9

⇒ x² - 28x + 160 = 0

⇒ ( x - 8 )( x - 20 ) = 0

⇒ x = 8 or 20

X cannot be 20, since it does not satisfy the original equation

Hence, x = 8.

Hope, it helps !