# SOLUTION: twice a number, added to 3, is equal to the negative of the number. What is the number?

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 Click here to see ALL problems on Volume Question 352679: twice a number, added to 3, is equal to the negative of the number. What is the number?Found 2 solutions by unlockmath, ewatrrr:Answer by unlockmath(1614)   (Show Source): You can put this solution on YOUR website!Hello,, Let x be the number so we can set up the following equation: 2x+3=-x Subtract 3 and add x to both sides to get: 3x=-3 Divide by 3 to get: x=-1 Got it? RJ www.math-unlock.com Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website!Hi, Let n represent the number . Question States: Write as You Read 2n + 3 = -n . Simplify and solve 3n = -3 . n = -1 . check your answer 2*(-1) + 3 = -(-1) . Have a great day!