69.4k views
2 votes
Ac=20 bc=2x+12 ab=2x+8find x

User Zombie
by
5.1k points

2 Answers

2 votes

Answer:

x = 0

Explanation:

AB + BC = AC

therefore

2x+8 + 2x+ 12 = 20

combine like terms

4x+ 20 = 20

Subtraction property of equality

4x + 20 - 20 = 20 - 20

4x = 0

Division property of equality

4x/4 = 0/4

x=0

User Luke Channings
by
5.4k points
5 votes
20 + 2x + 12 + 2x + 8
40 + 4x
User Travis Laborde
by
5.5k points