Tìm x, biết:a)|x|−12 =34 ; b)x−12=1c)x−12−34=14;d)120−32−x=140e)x+132−49=0f)x+132+49=89

Tìm x, biết:

a)|x|−12 =34 ; b)x−12=1c)x−12−34=14;d)120−32−x=140e)x+132−49=0f)x+132+49=89