Frequent Questions about our Solver

The problem

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why does the less than equal to change to x grater than equal to in the last two steps of the equation

Answer provided by our tutors

when you multiply inequality by a negative number the sign changes.

Think about it this way

3<4

but if I multiply it by -1

-3<-4 is not true

It will be, if the inequ sign is turned around

-3>-4

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