SOLUTION: When twice a number x is added to 12, the result is 4 less than 3 times x. What number results when 9 is subtracted from x?

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Question 1040125: When twice a number x is added to 12, the result is 4 less than 3 times x. What number results when 9 is subtracted from x?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
2x+12 = 3x-4
-x = -16 multiply both sides time -1:
x = 16
16-9 = 7 this is your answer.
:
John