Question

how is a-(b-c) = a-b + c?

Answer 1

distributive law

Answer 2

can you expand on that?

Answer 3

i thought distributive law was on multiplication for a

Answer 4

Yes it is in multiplication..

Though - as (-1) and then distribute -1 to the brackets.

Answer 5

-(b-c)

is the same as

-1(b-c)

---------------------------------

Use the distributive law to get

-1*b -1*(-c)

From here, -1*b = -b and -1*(-c) = +c or just c

So we then get

-b + c


So

-(b-c)

turns into

-b + c

Answer 6

so a is -1 since there is a - sign for the distributive property?

Answer 7

no 'a' is just a variable

I really meant to say

a-(b-c)

is the same as

a-1(b-c)

but I left that first 'a' part out because it wasn't relevant

Answer 8

wait what if its....-8 - (1+1)

Answer 9

wait thats order of operations