Kirk solves the inequality 5<12y−7 . Which statement explains the steps he uses to find the solution set of the inequality?(1 point) Responses Kirk adds 7 to both sides of the inequality, then divides both sides of the equivalent inequality by 12 and reverses the inequality symbol to get 1>y. Kirk adds 7 to both sides of the inequality, then divides both sides of the equivalent inequality by 12 and reverses the inequality symbol to get 1 greater than y . Kirk adds 7 to both sides of the inequality and then multiplies both sides of the equivalent inequality by 12 to get 144<y. Kirk adds 7 to both sides of the inequality and then multiplies both sides of the equivalent inequality by 12 to get 144 less than y . Kirk adds −7 to both sides of the inequality and then divides both sides of the equivalent inequality by 12 to get (−16)<y. Kirk adds negative 7 to both sides of the inequality and then divides both sides of the equivalent inequality by 12 to get left parenthesis negative Start Fraction 1 over 6 End Fraction right parenthesis less than y . Kirk adds 7 to both sides of the inequality and then divides both sides of the equivalent inequality by 12 to get 1<y.

1 answer

To solve the inequality \( 5 < 12y - 7 \), Kirk would follow these steps:

  1. Add 7 to both sides of the inequality:
    \( 5 + 7 < 12y - 7 + 7 \)
    \( 12 < 12y \)

  2. Divide both sides by 12 (since 12 is positive, the inequality direction remains the same):
    \( \frac{12}{12} < y \)
    \( 1 < y \)
    or equivalently, \( y > 1 \).

From this reasoning, the correct statement that explains Kirk's steps is:

"Kirk adds 7 to both sides of the inequality and then divides both sides of the equivalent inequality by 12 to get \( 1 < y \)."