Question 697103
Hello, 
Let x represent an odd number. Next is x+2 and x+4. 
Now we can set up an equation as:
x+x+2+x+4=4x-7
Solve:
3x+6=4x-7
Subtract 3x and add 7 to get:
13=x
Now we know the sides are:
13 cm
15 cm
17 cm
Make sense?
RJ 
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