How many solutions does the following equation have?

|4x + 12| = 0

3 answers

one solution
recall that the definition of |x| is
|x| = x if x >= 0
|x| = -x if x < 0

so, |4x+12| = 4x+12
if 4x+12 = 0
−6(x+7)=−4x−2
How many solutions does the following equation have?
vrewg