On a number line, all points are marked that are 3 units away from −2.
Write this requirement using the absolute value sign.
| x - -2| = 3
is
|x+2| = 3
try x = 1
try x = -5 :)
Write this requirement using the absolute value sign.
is
|x+2| = 3
try x = 1
try x = -5 :)