Equation Solving Justification

• Subtraction property of equality

• Distributive property

• Multiplication property of equality

• Equivalent Expression

• Equivalent Expression

• Distributive property

• Multiplication property of equality

• Commutative property of addition

• Addition property of equality

• Subtraction property of equality

• Multiplication property of equality

• Commutative property of addition

•  Multiplication property of equality

• Subtraction property of equality

• Division  property of equality

• Equivalent Expression

• 2

• 0

• -5/4

• -2

Solve for g means to isolate g.

• True

• False

Suppose that the property used in step (d) is not used at all to solve this equation. Which other property could you have used to solve this equation from step (c) until you get the answer?

• addition or division property of equality

• addition or multiplication property of equality

• subtraction or division property of equality

• subtraction or multiplication property of equality

Dominick was solving an equation. The next to last line of his solution read, "2x = 2x". Interpret this line for Dominick. Select the best answer.

• There is no solution.

• There is one solution and the solution is 0.

• There are infinitely many solutions.

• The solution is 2.

• 20

• 6

• -20

• -6

• 5

• -12

• -5

• -18