349,158 views
12 votes
12 votes
If AB =4x+1 and AC=5x+20, find the length of BC

User Jhon Didier Sotto
by
2.9k points

1 Answer

16 votes
16 votes

Given:

AB = 4x + 1

AC = 5x + 20

And we have:


AC=AB+BC

Substitute the values:


5x+20=4x+1+BC

And solve for BC:


5x+20-4x-1=4x+1+BC-4x-1

Add like terms:


x+19=BC

Answer: BC = x + 19

User Waleed Abdalmajeed
by
2.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.