Respuesta :
b = 3
Step-by-step explanation:
[tex]4b - 3b + 7 = 10[/tex]
Add similar terms :
[tex]4b - 3b = b \\ b + 7 = 10[/tex]
Collect like terms and simplify
[tex]b = 10 - 7 \\ b = 3[/tex]
Answer:
b=3 if i did it correctly. i apologize if it's wrong.