Answer:
If solving for b, we can equate this to zero: b = 2
Step-by-step explanation:
[tex]0.4b-3.2+1.2b[/tex]
Combining the like terms and performing addition on them.
= [tex]1.6b-3.2[/tex]
If solving for b, we can equate this to zero:
[tex]1.6b-3.2=0[/tex]
= [tex]1.6b=3.2[/tex]
b = 2
So, we get b = 2.
