Linear equation is an equation in which the highest power (degree) of the variable is 1.
It represents a straight-line relationship between variables.
🧠 Key Points
Only one power of variable (x¹)
Solution gives the value of the variable
Graph of a linear equation is a straight line
Can be solved using addition, subtraction, multiplication, or division
🎯 Importance
Used in daily life problems (money, distance, age)
Important for school maths & competitive exams
Foundation for algebra and higher mathematics
