Question

a-b=1;b-c=2 and c-a=d find the value of d
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Answer 1

Answer:

-3

Step-by-step explanation:

a-b=1 so b=a-1

b-c=2 sub b

a-1-c=2 so a-c=3 now c=a-3

c-a=d sub c

a-3-a=d so

d=-3

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Hope it helps