Solving and Equation by Combining Like Terms

The video tutorial explains how to solve the equation 5x - 2x + 3 = 18 by combining like terms, isolating the variable, and using inverse operations. It guides through identifying terms, simplifying the equation, solving for x, and checking the solution by substitution.

What is the first step in solving the equation 5x - 2x + 3 = 18?

• Combine like terms

• Divide both sides by 5

• Add 3 to both sides

• Multiply both sides by 2

After combining like terms, what is the simplified form of the equation 5x - 2x + 3 = 18?

• 3x + 3 = 18

• 5x - 2x = 18

• 3x = 18

• 5x + 3 = 18

What operation is used to isolate the variable term in the equation 3x + 3 = 18?

• Subtraction

• Multiplication

• Addition

• Division

How do you find the value of x in the equation 3x = 15?

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply both sides by 3

• Divide both sides by 3

What is the final step to verify the solution of the equation?

• Check if x equals 0

• Substitute x back into the original equation

• Multiply the solution by 2

• Add the solution to both sides