Register

Please answer this and thank you If DF=78, DE=5x-9, and EF=2x+10, find EF.

Please answer this and thank you If DF=78, DE=5x-9, and EF=2x+10, find EF.
asked 117k views
4 votes
Please answer this and thank you

If DF=78, DE=5x-9, and EF=2x+10, find EF.

Please answer this and thank you If DF=78, DE=5x-9, and EF=2x+10, find EF.-example-1
asked
User Edgar
by
7.7k points

2 Answers

5 votes

Question

If DF = 78, DE = 5x-9, and EF = 2x+10, find EF.

Answer

EF = 32

answered
User Atilla Ozgur
by
8.1k points
5 votes
DE + EF = DF
5x - 9 + 2x + 10 = 78
7x+ 1 = 78
7x = 77
x = 77/7 = 11

EF = 2x + 10
EF = 2*11 + 10
EF = 22 + 10
EF = 32
answered
User Tektiv
by
8.7k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!