SOLUTION: if 3 is added to a three quarter of a certain number the result is 30. find the original number

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Question 1077086: if 3 is added to a three quarter of a certain number the result is 30. find the original number
Found 3 solutions by amfagge92, MathTherapy, josgarithmetic:
Answer by amfagge92(93) About Me  (Show Source):
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LET THE NUMBER BE X
3+3x/4=30
multiply bothsides by 4
12+12x=120
subtract 12 from bothsides
12x=108
divde through by 12
X=9.
check:3x/4+3=30
putting 9 for X
3*9/4+3=30

Answer by MathTherapy(10552) About Me  (Show Source):
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if 3 is added to a three quarter of a certain number the result is 30. find the original number
Correct answer: highlight_green%28matrix%281%2C2%2C+%22Number%3A%22%2C+36%29%29

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
n, a certain number

3n%2F4%2B3=30
3n%2B12=120
3n=120-12
n=40-4
highlight_green%28n=36%29