The answer is (1,5) and (4,20) they make both of the equations true
Slope 2/1, y intercept is 6, equation is f(x)=6-2x
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
Learn more about linear equation at:
#LearnwithBrainly
Answer:
6
Step-by-step explanation:
The answer would be 7,246.80. i think