NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and Solutions
Question 75

Question. 75

9 added to twice a number gives 13. Find the number.

Answer:

2

Detailed Answer with Explanation:

Equation: 2x + 9 = 13 ⇒ 2x = 4 ⇒ x = 2.