Question

For which value of x is $|2x+3|=8$?

• A. 2.5
• B. - 5.5
• C. Both
• D. Neither

Answer 1

The correct option is C Both

$|2x+3|=8$
The two possibilities are
$(2x+3)=8$ or $-(2x+3)=8$
$2x=5$ $-2x-3=8$
$-2x=1$
$x=\frac{5}{2}$ $x=-\frac{11}{2}$
$x=2.5$ or $x=-5.5$
Correct answer is option C.