The error is in the second step they subtracted 3 from both sides but it was a 3x, which you can not do.
Correction.
9x+18+3x=1
12x+18=1
12x=-17
x=-17/12
When you separate them
Solve them separately:
Remove the denominators:
Find GCF (Greatest Common Factor):
48 is the correct answer because your going to only do the square
Answer: B
Step-by-step explanation:
Answer:
Reason 1. Given
Statement 2. <CAD is congruent to <BAD
Reason 2. Definition of angle bisector
Statement 3. Segment AD is congruent to segment AD
Reason 4. All right angles are congruent
Reason 5. ASA
