Question

Your friend says that the solutions to the inequality 9x-12x≤9 are xs-3. Solve the inequality correctly. What error did your friend

make?
holow and fill in the answer box to complete your choice

Answer 1

`9x - 12x \leqslant 9`

`- 3x \leqslant 9`

`x \geqslant - 3`

The inequality sign must be reversed when multiplying or dividing each side of an inequality by a negative number.