SOLUTION: My task at hand is to simplify this problem. i thought i did it correct, however when i checked the answer in the back of the book it was wrong. now i can not figure out the correc

Question 12085: My task at hand is to simplify this problem. i thought i did it correct, however when i checked the answer in the back of the book it was wrong. now i can not figure out the correct procedure. I think i am getting confused on order of operation
<:( [a sad me with a dunce cap, ha ha]
(12a-3b+5c)-5(-5a+4b-6c)
thankfully yours Blanca

Answer by bonster(299) (Show Source): You can put this solution on YOUR website!
(12a-3b+5c)-5(-5a+4b-6c)
12a-3b+5c+(-5)(-51)+(-5)(4b)+(-5)(-6c)
12a-3b+5c+25a-20b+30c <--add up all the like terms
(12a+25a)-3b-20b+(5c+30c)
37a-23b+35c

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