3x - 8 = 2x + 15
Add 8 to both sides
3x = 2x + 23
Subtract 2x from both sides
x = 23
Answer:
No, they aren't similar.
Step-by-step explanation:
<u><em>Let's take the proportionality of their sides to check whether they are similar or not:</em></u>

=> 2 ≠ 3
So, they are not similar.
Answer:
Yes
Step-by-step explanation:
9 x 3 - (0.6/0.2) Simplify the parentheses
9 x 3 - 3 Multiply 9 by 3
27 - 3 Subtract
24