bxrbieBRI bxrbieBRI

09-12-2020
Mathematics

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please help me brainliest for correct answer the sides of a triangle are as follows; (3x - 2), (-5x) and (8x + 7). what is the expression of the perimeter?

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PollyP52 PollyP52

09-12-2020

Answer:

Perimeter = 6x + 5.

Step-by-step explanation:

The perimeter is the sum of the three sides.

Perimeter = 3x - 2 + (-5x) + 8x + 7

= 3x - 2 - 5x + 8x + 7

= 3x - 5x + 8x - 2 + 7

= 6x + 5.

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