SOLUTION: The perimeter of a triangle is7p-8p+9.find the third side of the triangle if ist side is2p-p+1 and 2nd side is11p-3p+5

SOLUTION: The perimeter of a triangle is7p-8p+9.find the third side of the triangle if ist side is2p-p+1 and 2nd side is11p-3p+5

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Question 980378: The perimeter of a triangle is7p-8p+9.find the third side of the triangle if ist side is2p-p+1 and 2nd side is11p-3p+5
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Unknown side is length u.
.
Solve for u.
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