how to combine like terms
8r-(3s-5r) how do i get the answer

Question

how to combine like terms 
   8r-(3s-5r) how do i get the answer

asnaseer · Answer

first deal with the brackets

asnaseer · Answer

-(3s-5r) = ?

anonymous · Answer

i thought you couldnt solve it like the brackets because it has a s and a r ? and i dont know how to solve that

asnaseer · Answer

you need to distribute the negative sign outside the brackets into each term within the brackets

asnaseer · Answer

are you aware of these rules:

1. minus and minus makes a plus
2. minus and plus makes a minus
3. plus and minus makes a minus
4. plus and plus makes a plus

asnaseer · Answer

e.g.

-(3)   = -3
-(-3) = 3

anonymous · Answer

yeah i undersatnd thtt but im not understandng how to solve it

asnaseer · Answer

so use these rules to remove the brackets around this:

-(3s-5r) = ?

anonymous · Answer

thxs

asnaseer · Answer

do you understand?

anonymous · Answer

yeaa

asnaseer · Answer

ok - so what do you get after removing the brackets?

asnaseer · Answer

this may /seem/ like a painful process but if you stick to it for this problem then you will find all other similar problems easy to solve.

asnaseer · Answer

I can explain in more detail if you are willing to learn?