Wishy is thinking of a number. N And he wants his sister to guess the number his first clue is that it less than three times his number is between 16 and 22

You move the constant to the right side and change its sign to be 9z= -6 -8. that’s the first step.the second step would be calculate the difference of -8-6 to get -14. you equation should now be 9z=-14the last step is to divide both sides by 9 to get z=-14/9hope this