11. Find the missing side of the placemat shown if the perimeter is 28x + 11 inches. ? (8x + 2) in. (5x+12) in. (8x + 2) in.

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Anunaki asked Jul 9, 2023

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11. Find the missing side of the placemat shown if the perimeter is 28x + 11 inches.

?
(8x + 2) in.
(5x+12) in.
(8x + 2) in.

11. Find the missing side of the placemat shown if the perimeter is 28x + 11 inches-example-1

Mathematics
college

Anunaki asked Jul 9, 2023

by Anunaki

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Answer:

7x-5 in

Explanation:

(8x + 2)+(5x+12)+(8x + 2)+?=28x+11

8x+2+5x+12+8x+2+?=28x+11

8x+5x+8x+2+12+2+?=28x+11

13x+8x+16+?=28x+11

21x+16+?=28x+11

21x-21x+16+?=28x-21x+11

16+?=7x+11

16-16+?=7x+11-16

?=7x-5 in

Btmcnellis answered Jul 13, 2023

by Btmcnellis

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