Question

how to simplify:
a-(b-a-2c)​

Answer 1

Answer:

First write the question:

a-(b-a-2c)

= a-b+a+2c (as we can see there is no substraction possible we have to change the sign because of the minus sign before the bracket))

= a+a-b+2c

= 2a-b+2c

= 2a+2c-b( this not compulsory)

Thanks you best of luck .