z/7 - 6 greater than or equal to -5

4 answers

z/7 - 6 >= -5
z/7 >= 1
z >= 7
Wait i still don't get it
How did you get to the last part?
z/7 >= 1

Multiply both sides by 7.

z >= 7
so since you have the z/7=1 you have to remove the fraction to simplify the answer. Multiply both sides by 7 and z>7 is your answer.