Question

Describe the error please

Answer 1

he divided by six when he should of subtracted

Explanation:

1
`1\leq (6+e)/(12)`

`12\leq 6+e`

`6\leq e`

`e\geq 6`

Answer 2

Given steps of solution:

• 
  `- 1 \le \cfrac{6+e}{12}\implies -12 \le6+e\implies -2\le e\implies e \ge -2`

Correct steps are:

• 
  `- 1 \le \cfrac{6+e}{12}\implies -12 \le6+e\implies -12-6\le e\implies e \ge -18`

The last two steps are incorrect.