SOLUTION: Dividing a number by 3 is the same as subtracting 10 from twice the number. What is the number?
What I've done:
Let x be a number.
x / 3 = 2x - 10
(multiply 3 on both sides
Algebra.Com
Question 597303: Dividing a number by 3 is the same as subtracting 10 from twice the number. What is the number?
What I've done:
Let x be a number.
x / 3 = 2x - 10
(multiply 3 on both sides)
x = 2x - 30
(subtract 2x from each side)
-x = -30
(divide both sides by -1)
x = 30
Is this correct?
Found 2 solutions by stanbon, solver91311:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Dividing a number by 3 is the same as subtracting 10 from twice the number. What is the number?
What I've done:
Let x be a number.
x / 3 = 2x - 10
(multiply 3 on both sides)
------------------
x = 6x - 30
5x = 30
x = 6
==========
Cheers,
Stan H.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
No.
\ -\ 10)
Let's start over.
is correct, then the idea of multiplying both sides by 3 is correct, but
is NOT correct.
)
Remember the Distributive Property?
You take it from there and let me know what you get.
John
My calculator said it, I believe it, that settles it
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