Question

Simplify b-3b+a+b. ​

Answer 1

`\boxed{\bold{-b+a}}`

Step-by-step explanation:

Group Like Terms

=
`\bold{b-3b+b+a}`

Combine Similar Elements:
`\bold{b-3b+b=-b}`

=
`\bold{-b+a}`

- M -

Answer 2

a - b

Step-by-step explanation:

b - 3b + a + b. ​

Combine like terms

= a - b