## the perimeter of a triangle below is 6a + 2b -5 units. write expression to represent the length in units , of the missing side of the triang

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## Answers ( )

P=s1+s2+s3 so…

6a+2b-5=(2a-3b)+(a-3)+s3

6a+2b-5=3a-3b-3+s3

3a+5b-2=s3

So the third side is 3a+5b-2