Answer:
Step-by-step explanation:
Hello!
a)
- 11.5= a
b)
b= -11 -7 = -18
c)
c+3 = 15
c = 15 -3 = 12
d)
-4d = 32
d = -32/4 = -8
1 : a= 25.5
2 : b= -4
3 : c = 12
4: d = -8
Hopefully this is right !
