Respuesta :

2b+3=12
-3 -3
2b=9
B=4.5

Answer:

[tex]b=3[/tex]

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation.

[tex]2*(b+3)-(12)=0[/tex]

Then solve!