Question

TA
. If a + b = 5, b + c = 7 and c + a = 6, find the value of a.​

Answer 1

Explanation:

it is the ans .the value of a is 2.

Answer 2

Explanation:

a + b = 5

b + c = 7

c + a = 6

c = 6 - a

b + 6 - a = 7

b = 7 + a - 6

b = 1 + a

a + 1 + a = 5

2a + 1 = 5

2a = 4

a = 4/2

a = 2