AP Board Class 8 Maths Chapter 2 Linear Equations in One Variable Complete Guide
1. An algebraic equation states that two expressions are equal.
2. A linear equation can have any rational number as its solution.
3. Both sides of an equation may contain linear expressions.
4. Variables can be transposed across the equality sign.
5. Some equations require simplification or transformation into linear form for solving.
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AP Board Class 8 Maths Chapter 2 – Linear Equations in One Variable
Below are the key concepts will cover
1. An algebraic equation is an equality involving variables. It says that the value of the expression on one side of the equality sign is equal to the value of the expression on the other side.
2. A linear equation may have for its solution any rational number.
3. An equation may have linear expressions on both sides.
4. Just as numbers, variables can, also, be transposed from one side of the equation to the other.
5. Occasionally, the expressions forming equations have to be simplified before we can solve them by usual methods. Some equations may not even be linear to begin with, but they can be brought to a linear form by multiplying both sides of the equation by a suitable expression.
6. The utility of linear equations is in their diverse applications; different problems on numbers, ages, perimeters, combination of currency notes, and so on can be solved using linear equations.
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