B1+b3=60,b2=18

To find the value of \( b_1 \) and \( b_3 \) given that \( b_1 + b_3 = 60 \) and \( b_2 = 18 \), we only need to analyze the first equation since the value of \( b_2 \) does not directly affect \( b_1 \) or \( b_3 \).

From the equation \( b_1 + b_3 = 60 \), we can express one variable in terms of the other.

For example:

• If we express \( b_3 \) in terms of \( b_1 \): \[ b_3 = 60 - b_1 \]

Alternatively, if we express \( b_1 \) in terms of \( b_3 \):

\[ b_1 = 60 - b_3 \]

Without any additional information, there are infinitely many solutions pairs \( (b_1, b_3) \) that satisfy \( b_1 + b_3 = 60 \). If you have more constraints or specific values for either \( b_1 \) or \( b_3 \), please provide them for a more detailed answer.