SOLUTION: what are 3 consecutive integer whose sum is -54

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Question 99709: what are 3 consecutive integer whose sum is -54
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the smallest integer, then the next consecutive integer is x+1 and the next one after that is x+2. The sum of these is:
x%2B%28x%2B1%29%2B%28x%2B2%29+=+-54 Simplify and solve for x.
3x%2B3+=+-54 Subtract 3 from both sides.
3x+=+-57 Divide both sides by 3.
x+=+-19
x%2B1+=+-18
x%2B1+=+-17