Question

Simplify:

y-[5-3b-(7y-4a)]

Answer 1

first you want to get rid of parenthisies
y-(5-3b-7y+4a)
then
y-5+3b-7y-4a
then
-6y+3b-4a-5
is your answer

Answer 2

I am helping my brother and I have the answer as -4a+3b+8y-5
Is this correct?

Answer 3

@closest.num.2.0

Answer 4

That's right :)

Answer 5

How do I get the answer?

Answer 6

my bad sorry your right i forgot to change the 7y to pplus 7y so your answer is correct

Answer 7

Well, let's simplify everything in the brackets first.
What do you get in the brackets when you simplify?

Answer 8

y-[5-3b-(7y-4a)]
then
y-(5-3b-7y+4a)
then
y-5+3b+7y-4a
then
(y+7y)-4a+3b-5
so the answer is -4a+3b+8y-5

Answer 9

ok that makes sense. Thank you :)