Question

What is 0.4b-3.2+1.2b

Answer 1

0.4-3.2+1.2=-1.6 hope this help

Answer 2

If solving for b, we can equate this to zero: b = 2

Explanation:

`0.4b-3.2+1.2b`

Combining the like terms and performing addition on them.

=
`1.6b-3.2`

If solving for b, we can equate this to zero:

`1.6b-3.2=0`

=
`1.6b=3.2`

b = 2

So, we get b = 2.