Question

Explain how solving -7y > 161 is different from solving 7y > -161. Please and thank you :D

Answer 1

-7y > 161......here, u would divide both sides by -7...keep in mind, when dividing/multiplying by a negative number, the inequality sign changes.
y < 161/-7
y < -23

7y > -161...here u divide by 7
y > -161/7
y > -23

Answer 2

Both inequalities use the division property to isolate the variable, y. When you divide by a negative number, like –7, you must reverse the direction of the inequality sign. When you divide by a positive number, like 7, the inequality sign stays the same. The solution to the first inequality is y > -23, and the solution to the second inequality is y <>