3.50 + 2.50x =21.00
2.50x = 17.5
x = 7
The answer think will be x=4/7
Or 4-7x
Answer:
the answer is D 6,280
Step-by-step explanation:
Since it says difference you subtract, 86 is below sea level so it'd be -86
the equation would be 6,194 - (-86)
6,194+ 86 = 6,280
negative
Step-by-step explanation: it has negative signs