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The perimeter of the triangle below is 6a + 2b -5 units. Write an expression to represent the length in units of the missing side of the triangle

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Answer

:

(P+5)/2-3a=b

((P+5)/2 -b)/3=a

Step-by-step explanation:

P+5=6a+2b

Factorize

P+5=2(3a+b)

(P+5)/2=3a+b

((P+5)/2)-b)/3=a

(P+5)/2)-3a=b

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