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Solving linear equations in algebra

Algebra • Solving equations and inequalities

Key concepts

What you'll likely be quizzed about

  • A linear equation is a mathematical statement that shows the equality between two expressions.
  • It can be represented in the form ax + b = c, where x is the variable, and a, b, and c are constants.
  • Linear equations graph as straight lines on a Cartesian plane, where the slope and y-intercept can be determined from the coefficients.

Flashcards

Test your knowledge with interactive flashcards

What is the solution of the equation 4x = 20?

Click to reveal answer

The solution is x = 5, found by dividing both sides by 4.

Key notes

Important points to keep in mind

Always check your solution by substituting it back into the original equation.

Keep the inequality sign consistent unless multiplying/dividing by a negative.

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