How do you solve #-4/5(x-3)≤-12#?
Treat inequalities in exactly the same way as an equation unless you are are multiplying or dividing by a negative number. In this case the inequality sign has to change around.
Also do not cross-multiply across an inequality.
Let's get rid of the annoying fraction outside the bracket by multiplying by
The problem now is the
The other method would involve dividing by -1.