Answer:
x = 8
Step-by-step explanation:
so 
rearrange the formula:






Answer
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
−
20
−
2
m
Answer:
ok
Step-by-step explanation: