Question 715676
The three sides of a triangle are given by three consecutive integers. If the perimeter is 12 meters, find the length of each side. 
This is how am trying to solve it not so sure, any help please! thanks. The answer from the book is 3,4,5 and i only get 3,3,3. what am i doing wrong? 
3x+(x)=12    3(x)+3=12
4x=12          3x=9
x=3             x=3
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x + (x+1) + (x+2) = 12
3x+3 = 12
x = 3 (the 1st integer)
x+1 = 4
x+2 = 5
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You did it right.  "consecutive integers" --> 3, 4, 5