Question

A=a+b+c,B=a-b+c,C=a+b-c,D=-a-b-c then find
(A+B)-(C+D)​

Answer 1

Answer:

1. Fractions. Let a, b, c, and d be numbers.

(a) You can break up a fraction from a sum in the numerator, but not in the denom-

inator:

a + b

c

=

a

c

+

b

c

but

a

b + c

6=

a

b

+

a

c

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