173k views
12 votes
7. If the perimeter of the rectangle is 6x + 18, then what is the length of the rectangle? (level 4)

x + 5
length

User Alex Botev
by
8.0k points

1 Answer

10 votes

Answer:


l = 2x + 4

Explanation:


p = 6x + 18 \\ w = x + 5 \\ p = 2(l + w) \\ 6x + 18 = 2(l + x + 5) \\ 6x + 18 = 2l + 2x + 10 \\ 2l = 4x + 8 \\ l = 2x + 4

User Lucas Pires
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories