By distributing the 4 onto the 5x and the 6, you would end up with 20x + 24.
Answer: 12 years old
Step-by-step explanation:
10,11,12,12,13,13,14
The middle in these numbers is 12
Do you mean 90(3n-6) if so the answer is -270 but if you mean 3n-6 the answer is -3
Answer:

Step-by-step explanation:
Look at the picture.
ΔADC and ΔACB are similar. Therefore the corresponding sides are in proportion:

We have

Substitute:
<em>cross multiply</em>
