SOLUTION: The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?

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Question 110793: The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?
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Let the number be "x".
EQUATION:
3x+(x+7) = 2x--11
3x+x+7 = 2x+11
4x+7 = 2x+11
2x=4
x = 2
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Checking:
3*2 + 9 = 4+11
15 = 15
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Cheers,
Stan H.