Linear Equations

Mathematics — First Preparatory

Common mistakes

Performing an operation on one side only, which destroys the equality.
Forgetting to multiply every term inside a bracket. The wrong step 3(x − 2) = 3x − 2 should be 3x − 6.
Making a sign error when moving a term from one side to the other.
Not checking the solution in the original equation.
When multiplying both sides of an equation with fractions by the common denominator, forgetting to multiply every term on both sides.

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