Respuesta :

olemakpadu
Assuming the radical between 6b and 7 to be +.

6-4(6b + 7) >122

6 - 4*6b - 4*7 > 122

6 - 24b - 28 > 122

-24b > 122 + 28 - 6

-24b > 144    When you divide by a -ve number the inequality sign reverses

b < 144/-24

b < -6