Respuesta :

trueangel12310
1. 12=x+3    12-3=9  now try 9+3 that is 12 so x=9
2. b+0.6=-1   -1-0.6=-1.6   -1.6+0.6=-1  b=-1.6
3. a=-9
4. x=-39 I believe
5. a=-4.3
1. x = 9
2. b = -1.6
3. a= -9
4. x = -39
5. a = -4.3