Register
The perimeter of a triangle is 6a+3. write an expression in simplest form for the length of side 3
55.0k views
1 vote
The perimeter of a triangle is 6a+3. write an expression in simplest form for the length of side 3

The perimeter of a triangle is 6a+3. write an expression in simplest form for the-example-1
User JordyvD
by
5.2k points

1 Answer

2 votes

\begin{gathered} \text{Perimeter =6a+3}.\text{ Let L be the lenght of side number 3. Then,} \\ 2(a+3)+3a-1+L=6a+3 \\ \text{Hence,} \\ 2a+6+3a-1+L=6a+3 \\ 2a+3a+6-1+L=6a+3 \\ 5a+5+L=6a+3 \\ L=6a+3-5a-5 \\ L=6a-5a+3-5 \\ L=a-2 \end{gathered}

User Gavin Bruce
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.5m answers

Other Questions

Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Can someone help me with 5??? ASAP?
Solve for h 3h=7(2/7-3/7h)-10
Link Copied!