Question

please Explain?? one by one...​

Answer 1

Answer:

B = 5

Step-by-step explanation:

A =4,........ Equ ( 1 )

B + C = 3,...... Equ (2)

A + C = 2,...... Equ ( 3 )

B = ??

Now,

A + C = 2

C = 2 - A

C = 2 - 4

C = -2

B + C = 3

B + (-2 ) = 3

B - 2 = 3

B = 3 + 2

B =5

Answer 2

Answer:

dekh bhai

Step-by-step explanation:

A = 4

B + C = 3

A + C = 2

B = ?

First find C

4 + C = 2

C = 2 - 4

C = -2

Find B

B + C = 3

B + - 2 = 3

B - 2 = 3

B = 3 + 2

B = 5

Check

A = 4

B + C = 3

5 + -2 = 3

A + C = 2

4 + -2 = 2