SOLUTION: Help me solve this problem? Nine less than 3 times a number, divided by 4, is 21.

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Question 456955: Help me solve this problem? Nine less than 3 times a number, divided by 4, is 21.
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
x = the number

3x - 9
------- = 21 {(nine less than three times a number) divided by 4, is 21}
4

3x - 9 = 84 {multiplied both sides by 4}

3x = 93 {added 9 to both sides}

x = 31 {divided both sides by 3}
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