Question

five times the sun of a number and 27 is greater than or equal to six times the sun of that number 26. What is the solution set of this problem?

Answer 1

5(x + 27) >= 6(x + 26)
5x + 135 >= 6x + 156
 -5x                -5x
135 >= x + 156

 x <= -21 Answer  

Interval notation Answer is  (-∞, -21]