Respuesta :

Mathsucksalot
b+2+2-7b

2+2=4

-7b+b

Answer: -6b+4
b+2+2-7b
Combine like terms to simplify.
Adding one B to negative seven Bs equals -6b. (b+(-7)b=-6b).
2+2=4
Variables go first, so -6b+4.