The perimeter of the a triangle is 4x +3y. Find missing side if other 2 sides are x - y and x + y
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Step-by-step explanation:
perimeter of triangle=4x+3y
two sides =x-y;x+y
therefore the equation=x+y+x-y+w=4x+3y
2x+w=4x+3y
w=4x-2x+3y
w=2x+3y
the third side=2x+3y
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