Question 5 - Figure it out - Page 84, 85 - Chapter 4 Class 7 - Expressions using Letter-Numbers (Ganita Prakash)

Transcript

Question 5 Write algebraic expressions using letters of your choice. (a) 5 more than a number (b) 4 less than a number (c) 2 less than 13 times a number (d) 13 less than 2 times a numberLet the required number = n Now, answering our questions (a) 5 more than a number: n + 5 (b) 4 less than a number: n − 4 (c) 2 less than 13 times a number: 13n − 2 (d) 13 less than 2 times a number: 2n − 13