posted by Kenny .
Negative three times the sum of a number and one is less than or equal to the difference of 5 times the number and 9.Graph the solutions.
-3(x+1) <= 5x-9
visit wolframalpha.com and enter
plot y = -3(x+1) , y = 5x-9
You want the region where the blue line is below the red line: x >= 3/4