Writing Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you represent 'twice a number' in an equation?

Back

'Twice a number' is represented as 2x, where x is the number.

Front

What does 'decreased by' indicate in an equation?

Back

'Decreased by' indicates subtraction.

Front

If a gym membership costs $50 plus $20 per month, how would you write this as an equation for total cost?

Back

The equation is 50 + 20m = total cost, where m is the number of months.

Front

What does the term 'difference' mean in mathematical operations?

Back

The term 'difference' refers to the result of subtraction.

Front

How do you write an equation for a total cost of $39 if the hourly rate is $11 and there is a $6 tip?

Back

The equation is 11x + 6 = 39, where x is the number of hours.

Front

What is the first step to solve the equation 2x + 6 = -72?

Back

The first step is to subtract 6 from both sides of the equation.

Front

How do you represent 'the cost of tickets' if each ticket costs $0.50 and the total spent is $35?

Back

The equation is 0.50x + 20 = 35, where x is the number of tickets.

Front

What operation is used when you see 'less than' in a problem?

Back

'Less than' indicates subtraction.

Front

If you have the equation 50 + 20m = 290, how do you isolate m?

Back

Subtract 50 from both sides and then divide by 20.