#### notes

An equation is the equality of the values of two expressions.**For example :** Solve 2x – 3 = x + 2**Solution : ** 2x = x + 2 + 3

or 2x = x + 5

or 2x – x = x + 5 – x (subtracting x from both sides)

or x = 5 (solution)

Here we subtracted from both sides of the equation, not a number (constant), but a term involving the variable.

#### Shaalaa.com | Solving Equations having the Variable on both Sides

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