81.3k views
2 votes
The length of a rectangle is 3 more inches than the width. Find the length and width of the rectangle is the perimeter of the rectangle is 54 inches.

#7 Write an equation that represents the situation. Explain any variable used.


#8 Solve the equation. Show your work. State your solution as a complete sentence.

User Worthwelle
by
5.6k points

1 Answer

3 votes

Answer:

12 * 2 + x * 2 = 54

x = 15

x is 15

Explanation:

12 * 2 + x * 2 = 54

24 + x * 2 = 54

-24 -24

x * 2 = 30

/2 /2

x = 15

User Hugh Guiney
by
6.0k points