permasalahan & penyelesaian nilai mutlak tolong di bikin contoh nya ya jawab nya jangan asal asalan ya plis...

simbol nilai mutlak ( |…| )

jika a = 0 , |a| = 0 + a = a
jika a = 0 , |a| = 0 - (-a) = a
jika a > 0 , |a| = 0 + a = a
jika a < 0 , |a| = 0 - a = -a