Question

If a+b=3, b+c=4, c+a=5, then what is the value of a+b+c=?​

Answer 1

Step-by-step explanation:

a+b+C= (5+4+3)/2

a+b+C = 12/2

a+b+C= 6

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Answer 2

Answer:

a+b=3 ...(1)

b+c=4 ....(2)

c+a=5 ....(3)

:- subtract 2&1

we get : c-a=1 ....(4)

add 3 &4

we get :. c=3

put this value in (2)

we get : b=1

put this value in (1)

we get : a=2

: a+b+c = 2+1+3= 6