216k views
4 votes
AC=3x+3, AB=-1+2x, and BC=11 find x

User Gish
by
3.9k points

1 Answer

5 votes

Answer:

Therefore the Value of x is 7.

Explanation:

Given:

AC = 3x + 3

AB = -1 + 2x

BC = 11

To Find:

x = ?

Solution:

Consider AC as a Line Segment such that A-B-C as shown in the Figure.


AC=AB+BC ..A-B-C......Line Addition Postulate

Substituting the values we get


3x+3=-1+2x+11\\\\3x-2x=10-3\\\\x=7

Therefore the Value of x is 7.

AC=3x+3, AB=-1+2x, and BC=11 find x-example-1
User Brad Schoening
by
3.4k points