Question

Solve the inequality -9 < 5 - 7y ≤ 12

Answer 1

Answer:

y=1,(-1),2and the continue positive numbers

I Hope My Answer Will Help You....

Answer 2

--9 < 5 - 7y 5 - 7y ≤ 12

7y < 5 + 9 -7y ≤ 12 - 5

7y < 14 -7y ≤ 7

y < 2 - y ≤ 1

y ≥ - 1 [ sign changed ]

therefore solution is - 1 ≤ y < 2

[ whenever we change signs, the inequality reverses ]