Seven subtracted from the product of 3 and a number is greater than or equal to -26

Seven subtracted from the product of 3 and a number is greater than or equal to -26

1. A number means an arbitrary variable, let's call it x.
2. The product of 3 and a number is written as 3x
3. Seven subtracted from 3x is written as 3x - 7
4. Finally, that entire expression is greater than or equal to -26: 3x - 7 >= - 26