Question 321585
Hello, 
Let's do the parenthesis first. 
4{3[5y-15 + 9] + 2y + 16}
Now the brackets.
4{15y-45 + 27 + 2y + 16}
Now the braces. 
60y-180+108+8y+64
Now Combine like terms to get:
68y-8
This could be rewritten as:
4(17y-2) 
Make sense?
RJ