106k views
3 votes
If ac =x+3 and db=3x-19, find ac

User Samarasa
by
6.3k points

1 Answer

2 votes
We need some sort of diagram to see what they are. Is there any way to say that ac = db? Either equal angles or equal lines.
x + 3 = 3x - 19 Add 19
x + 3 + 19 = 3x Subtract x
21 = 2x
x = 21 / 2
x = 10.5

ac = 10.5 + 3
x = 13.5
User Endre
by
6.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.