Răspuns :
Răspuns:
3x=-12 => x= -12/3 => x= -4
2x-5=7 => 2x=7+5 => 2x= 12 => x= 12/2 => x= 6
-3x+8=-7 => -3x=-7-8 => -3x=-15 => x= -15/-3 => x=5
Răspuns:
3x=-12 => x= -12/3 => x= -4
2x-5=7 => 2x=7+5 => 2x= 12 => x= 12/2 => x= 6
-3x+8=-7 => -3x=-7-8 => -3x=-15 => x= -15/-3 => x=5