Solving Two-Step Equations

What is the primary goal when solving two-step equations?

• To find the value of the constant

• To isolate the variable

• To simplify the equation

• To balance both sides of the equation

In the first example, what is the first step to isolate the variable?

• Divide by 4

• Multiply by 4

• Subtract 4

• Add 4

After adding 4 in the first example, what is the next step?

• Multiply by 4

• Subtract 4

• Divide by 4

• Add 4

In the second example, what is the first operation performed to isolate the variable?

• Multiply by 2

• Divide by 2

• Subtract 3

• Add 3

What is the final value of x in the second example?

• 6

• 12

• 3

• 9

In the word problem, what is the total cost of the cookie?

• $1.00

• $1.50

• $2.00

• $2.50

How many slices of pizza did David buy in the word problem?

• 4

• 3

• 2

• 5

What is the cost of each slice of pizza in the word problem?

• $4.00

• $4.60

• $4.50

• $5.00

In the phrase 'two more than six times a number is 20', what does 'is' represent?

• Equal sign

• Multiplication

• Subtraction

• Addition

What is the final value of x in the phrase example?

• 4

• 3

• 2

• 5