Respuesta :

It is a + (-1.2) = -5.5
= a - 1.2 = -5.5
= a = -5.5 + 1.2
= a = -4.3

In short, Your Answer would be -4.3

Hope this helps!
a= -4.3

a+(-1.2)=-5.5
-5.5+1.2=-4.3
a= -4.3

hope this helps