Answer:
27
Step-by-step explanation:
The scenario will will be represented by: 
The number will be -13
Step-by-step explanation:
We have to convert the given situation into the mathematical form
Let x be the number
Then
"a number plus itself"
x+x
"plus twice itself"
x+x+2x
"plus 4 times itself"
x+x+2x+4x
"is equal to -104"

This can also be written as:

Keywords: Linear Equation
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Answer:
B. The amount of water originally in Wilson's can was 2.5 gallons.
The population 10 years later will have increased by 3,040, making the population 18,240.
Hope this helps.<span />
x/9 = -6
Solve for X by multiplying both sides by 9:
x = -6 * 9
x = -54