(58-24)-65=...

Question

(58-24)-65=
-70+(32+19)=
-7-9(-9-40)=
4,2-(-2,9+3,6)=
(-6,5+50)-0,5=
(17,8-35)+40=
-x=5
-y=-3.4-9.1

Answer 1

-31
-19
784
3.5
43
22,8
x=-5
y=8,7