header bg

Scan QR code or get instant email to install app

Question:

Which of the following is the solution set for the equation below?
|2x−5|=19

A {−7,12}
explanation

Absolute value equations can be rewritten in two ways to solve:
2x−5=19 and 2x−5=−19
Solve both:
2x−5=19
2x=24
x=12
and 2x−5=−19
2x=−14
x=−7
The two solutions are: −7 and 12