Raymond B. answered • 05/11/23
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P(x) = 9x-4 +9x-4 + 2x +3 = 20x -5
= 9x+9x +2x -4-4+3
= (9+9+2)x -8+3
P(x) = 20x-5 = the Triangle's Perimeter
Heather N.
asked • 10/12/21Linear expression of a triangle
Sides are (9x - 4) cm
(9x -4) cm. And (2x +3) cm
Write and simplify a linear expression for the perimeter
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