(C) The perimeter of a triangle is (x2y + 10) units. One of the sides is of length (x+y - 4)
units and another side is (3 - 2x2y) units. Find the length of the third side.
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Hey mate Here's ur answer :
Let the third side be x .
Perimeter of a triangle = a+b+c
=>2xy + 10 = x+y-4 + 3-4xy +x
=>2xy+4xy =x+y-1 +x
=>6xy= 2x+y -1
After this I dont know sorry .....______
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