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 equation and the number?
Algebra.Com
Question 902699: 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 equation and the number?
Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
Simplify the equation
Subtract 2X from both sides
Subtract 7 from both sides
Divide both sides by 2
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