Question 10730
9x-99 is more than or equal to 18x

Try bringing all the terms containing X to one side and take the remaining terms to the other side

So that will give us

9x-18x is more than or equal to 99

-9x is more than or equal to 99

Dividing by 9 throughout

-x is more than or equal to 11

Multiplying by -ve sign throughout

x is less than or equal to -11