Practise the method.Example 1A point on the number line is 7 units from 2. The point lies to the left of 2. What is its coordinate?Show worked answerAnswer: −5Move 7 units left.2−7=−5.Example 2The product of two integers is−18. One integer is 2. What is the other?Show worked answerAnswer: −9Divide −18 by 2.the other integer is−9.Example 3A point on the number line is 8 units from 9. The point lies to the left of 9. What is its coordinate?Show worked answerAnswer: 1Move 8 units left.9−8=1.