SOLUTION: use the order of operations to simplify the expression 7-4[3-(4y-5)] My book says the answer is 16y-25. I can not figure out how to get that answer.This is what I came up with

Algebra ->  Systems-of-equations -> SOLUTION: use the order of operations to simplify the expression 7-4[3-(4y-5)] My book says the answer is 16y-25. I can not figure out how to get that answer.This is what I came up with       Log On


   



Question 13699: use the order of operations to simplify the expression
7-4[3-(4y-5)]
My book says the answer is 16y-25. I can not figure out how to get that answer.This is what I came up with
7-4[3-(4y-5)]
7-4[3-(-1y)]
7-4*4y
7-16y

Found 2 solutions by 600891, jscott:
Answer by 600891(4) About Me  (Show Source):
You can put this solution on YOUR website!
Do you know your order of operations? Here is something to help!!!
Pemdas
PARENTISIS
EXPONETS
MULTIPLICATION
DIVISION
ADDITION
SUBTRACTION
1.First what you will need to do is substitute for y.
2.Do the parentisis inside the brackets
3. After you cane up with that answer do the brackets
Lets look at your problem.
7-4[3-(4y-5)]

I came up with negative 14 y
Well i am a 7th grader so who knows what I am capebal of

Answer by jscott(1) About Me  (Show Source):
You can put this solution on YOUR website!
You have to work in order
7-4[3-(4y-5)]
7-4[3-4y+5]
7-4[8-4y]
7-32+16y
-25+16y
16y-25