Find the perimeter of a triangle whose sides are 2a + 3b, 6-a, 4a-2b.
b= 2
P
ba
4a-2b
2a+3b
Subtract the second expression from the first expression
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Perimeter of the triangle = 2a+3b+6-a+4a-2b
= 5a +b+6 is the answer.
2a+3b-(4a-2b)
= 2a+3b-4a+2b
= -2a+5b is the answer.
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