(1) Why is x+2 from 2x?

(2)Use the distributive property to remove the parentheses in each expression. Then simplify by combining like terms.
ORIGINAL PROBLEM : 7(4W-3)-25
My answer: Is this answer correct
7(TIMES) 4W + 7 (TIMES)-3-25
7 (TIMES)4W -21-25
28W-21-25
3W-21