Question

Please help me solve this

Answer 1

The error is in step 4. The sign was not changed after dividing both sides by -10. Thus, the answer to the inequality should be: -27/10 ≥ x.

How Negative Number Changes Inequality Sign?

When we divide or multiply two sides of an inequality by a negative number, the inequality sign is changed to the opposite, i.e. from < to > or from > to <.

In step 4, the sign was not changed after dividing both sides by -10.

The answer should be, -27/10 ≥ x.

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