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Answer :
8 + 6 + 9 + 12 + 4x / 5 = x Original Problem.
25 + 4x / 5 = x Addition.
25 + 4x = 5x Multiply each side by 5.
25 = x Subtract 4x from each side.
x = 25 Switch equation around.
Answer: x = 25
25 + 4x / 5 = x Addition.
25 + 4x = 5x Multiply each side by 5.
25 = x Subtract 4x from each side.
x = 25 Switch equation around.
Answer: x = 25
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Answer:
35
Step-by-step explanation:
The average of 8,6,9,12 and 4x is x
To get average add all the numbers given in data set and divide by 5 because we have 5 numbers in data set
Average =[tex]\frac{8+6+9+12+4x}{5}[/tex]
Given that average is x. So we replace x for average
[tex]x=\frac{8+6+9+12+4x}{5}[/tex]
Multiply both sides by 5
[tex]5x= 8+6+9+12+4x[/tex]
Subtract 4x from both sides
[tex]x= 8+6+9+12[/tex]
[tex]x=35[/tex]
So the value of x is 35
