Question

a+b+c= 12 if a+b=4, a+c=7 then a=?​

Answer 1

a = 1

look it carefully

thanks

Answer 2

Answer:

Here a = -1

Step-by-step explanation:

Since, c = 7-a and b = 4-a

AFTER SUBSTITUTING,

11-a = 12

a = -1

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HOPE IT HELPS