You can
put this solution on YOUR website!
-2 (-2y+3)-(5y-6)-2y+5
is not an equation.
An equation is where you say that one expression is "equal to" another.
It should have an '=' sign in it.
e.g. 2y + 3 = 6 is an equation.
Please check your question and re-post, and I'll be glad to help.
:)