Learn how to write an algebraic proof

What is the purpose of using a two-column proof in solving equations?

• To organize statements and reasons clearly

• To make the proof longer

• To confuse the reader

• To avoid using mathematical properties

What is the first step in solving the given equation using the multiplication property?

• Multiply both sides by 5

• Add 5 to both sides

• Subtract 3 from both sides

• Divide both sides by 5

What property is used when subtracting the same value from both sides of an equation?

• Division property of equality

• Multiplication property of equality

• Subtraction property of equality

• Addition property of equality

What is the result of adding 120 to both sides of the equation?

• 15 = 9X

• 15 = 10X

• 135 = 9X

• 135 = 10X

Which property is applied when dividing both sides of an equation by the same number?

• Division property of equality

• Multiplication property of equality

• Subtraction property of equality

• Addition property of equality

What is the final value of X in the proof?

• 15

• 25

• 20

• 10

What does the box at the end of the proof signify?

• The proof is incomplete

• The proof is incorrect

• The proof needs revision

• The proof is complete