SOLUTION: Eleven diminished by 5 times a
number is the same as 4 times the number increased by 20. Find the number.
Algebra.Com
Question 1204281: Eleven diminished by 5 times a
number is the same as 4 times the number increased by 20. Find the number.
Found 2 solutions by mananth, ikleyn:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Let the number be "x."
11 - 5x = 4x + 20
First, let's get all the terms involving x on one side of the equation. Add 5x to both sides:
11 - 5x + 5x = 4x + 5x + 20
we get
11 = 9x + 20
subtract 20 from both sides:
11 - 20 = 9x + 20 - 20
we get
-9 = 9x
Finally, divide both sides by 9 to solve for x:
-9 / 9 = 9x / 9
x = -1
The number is -1.
Answer by ikleyn(52855) (Show Source): You can put this solution on YOUR website!
.
This wording can be read and written in other way, too
11 - 5x = 4*(x +20).
So, there is no big sense to learn from such assignments - in the end, you, a student, won't learn anything anyway.
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