Solve Using the Distributive Property

The video tutorial explains how to solve the equation 3X + 2 = 21. It begins by applying the distributive property, then isolates the variable term by subtracting 6 from both sides. The next step involves solving for X by dividing both sides by 3. Finally, the solution is verified by substituting X back into the original equation to ensure the result is correct.

What is the first step in solving the equation 3 * X + 2 = 21?

• Add 2 to both sides

• Use the distributive property

• Subtract 2 from both sides

• Multiply both sides by 3

After applying the distributive property, what is the next step to isolate the variable term?

• Divide both sides by 3

• Subtract 6 from both sides

• Multiply both sides by 3

• Add 6 to both sides

What operation is used to solve for X after isolating the variable term?

• Subtract 3 from both sides

• Multiply both sides by 3

• Add 3 to both sides

• Divide both sides by 3

What is the value of X in the equation 3 * X + 2 = 21?

• 9

• 7

• 5

• 3

How do you verify the solution to the equation 3 * X + 2 = 21?

• Substitute X with 3 in the original equation

• Substitute X with 9 in the original equation

• Substitute X with 5 in the original equation

• Substitute X with 7 in the original equation