Solving an equation by combining like terms

The video tutorial demonstrates how to solve for the variable b in an equation. It begins with isolating the variable using basic operations like addition and subtraction. The tutorial then introduces advanced techniques such as combining like terms and using the commutative property. The solution is verified by checking the equation, ensuring the process is clear and accurate.

What is the first step in solving for a variable in an equation?

• Add random numbers to both sides

• Multiply both sides by zero

• Divide by the variable itself

• Isolate the variable using inverse operations

What property allows you to change the order of addition in an equation?

• Identity Property

• Commutative Property

• Distributive Property

• Associative Property

How can you simplify the expression 5 - 13?

• By adding 13 to both sides

• By rewriting it as 8

• By multiplying by 2

• By combining it to get -8

What operation should be used to eliminate a negative number in an equation?

• Subtraction

• Division

• Addition

• Multiplication

What is the final step to solve for b in the equation 21 = 3b?

• Divide both sides by 3

• Multiply both sides by 3

• Subtract 3 from both sides

• Add 3 to both sides