Find the perimeter of the triangle whose sides are 5x +y, 3x-2y, -18x + y
plz answer as fast as you can!!
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Answer:
- 10x
Step-by-step explanation:
Perimeter of triangle = sum of all sides
= 5x+ y + 3x - 2y - 18x + y
= 5x + 3x - 18x + y + y - 2y
= 8x - 18x + 2y - 2y
= - 10x
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