SOLUTION: Write the sentence as an equation, using x for the unknown number. Then solve the equation. If 3 times a number is added to -9, the result is equal to 12 times the number. Fi

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Question 94638: Write the sentence as an equation, using x for the unknown number. Then solve the equation.
If 3 times a number is added to -9, the result is equal to 12 times the number. Find the number.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
If 3 times a number is added to -9, the result is equal to 12 times the number
------------
3x-9 = 12x
9x = -9
x = -1
============
Cheers,
San H.

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