Question

Carson solved an inequality using the steps shown.
Given: -2(n-3) - 5 >9
Step 1: -2n + 6 - 5> 9
Step 2: -2n + 1 > 9
Step 3: -2n > 8
Step 4: n >-4
Which step contains Carson's first mistake?

Answer 1

Answer:

Step 4 contains his mistake . Because while changing the signs , one has to also reverse the inequality sign