SOLUTION: please help me solve this problem. 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?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: please help me solve this problem. 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?      Log On


   

Question 185760This question is from textbook beginning algebra
: please help me solve this problem. 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? This question is from textbook beginning algebra

Found 2 solutions by feliz1965, stanbon:
Answer by feliz1965(151) 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?
Let x = the number we are searching for.
3x + 7 = 2x - 11
3x - 2x = -7 - 11
x = -18

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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Equation:
3x+(x+7) = -11-2x
4x + 7 = -11-2x
6x = -18
x = -3
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Cheers,
Stan H.