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Gennadij [26K]
3 years ago
11

Find an expression for the perimeter of the rectangle. Write your answer in standard form.​

Mathematics
1 answer:
tatyana61 [14]3 years ago
4 0

Answer:

B. 12x + 8

Step-by-step explanation:

2x + 5 + 4x - 1 + 2x + 5 + 4x - 1

<em>Combine like terms.</em>

6x + 5 - 1 + 2x + 5 + 4x + 1

8x + 5 - 1 + 5 + 4x - 1

12x + 5 - 1 + 5 - 1

12x + 10 - 1 - 1

12x + 10 - 2

<em>Subtract 2 from 10 to get 8.</em>

12x + 8

The perimeter of the rectangle is 12x + 8, which is B.

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