Question

What is m<4+m<5+m<6?

Answer 1

m < 1

Explanation:

`m<4+m<5+m<6\qquad\text{subtract m from all sides}\\\\m-m<4+m-m<5+m-m<6-m\\\\0<4<5<6-m\to 5<6-m\qquad\text{subtract 6 from both sides}\\\\-1<-m\qquad\text{change the signs}\\\\1>m\to m<1`