39.99+.14x<= 45
39.99 + .14x <= 45
First, let's get x onto one side and subtract 39.99 from each.
.14x <= 5.01
Now, to isolate x, we'll divided each side by .14.
.14/.14 = 1
5.01/.14 ~ 35.79
This means...
x <= approximately 35.79.
+1667 
