Answer:
-4.3c-12.6
Step-by-step explanation:
Replace all occurrences of
+
−
with a single
−
. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because
1
⋅
−
1
=
−
1
1.7
−
5.2
−
4.3
c
−
9.1
Subtract
5.2
from
1.7
.
−
3.5
−
4.3
c
−
9.1
Subtract
9.1
from
−
3.5
.
