Find the sum of the side lengths. (d + 5) + (d + 5) + (d + 5)

Mathematics · Middle School · Mon Jan 18 2021

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Given the numerical equation:

(d + 5) + (d + 5) + (d + 5)

Determine the sum of the lengths.

Solution:

In order to determine the sum of the length, we simply need to combine like terms.

= (d + 5) + (d + 5) + (d + 5)

= d + 5 + d + 5 + d + 5

= 3d + 15

Final answer:

= 3d + 15