Question

How do you solve the compound inequalities `6b < 42` or `4b + 12 > 8`?

Answer 1

`6b<42`
`rarr b<7`

`4b+12>8`
`rarr 4b> -4`
`rarr b> -1`

Since all Real numbers are either `<7` or `> -1`
the solution to the given compound inequalities is
all Real numbers