Solving 2 Step Equations

Front

What is a two-step equation?

Back

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

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the first step to solve the equation -3x + 5 = -16?

Back

Subtract 5 from both sides to start isolating the variable.

Front

What is the solution to the equation 15 = 2a + 7?

Back

The solution is a = 4.

Front

How do you write an equation from a word problem?

Back

Identify the quantities involved, assign variables, and translate the relationships into an equation.

Front

What does it mean to 'add 62 to each side' in the equation x - 62 = 123?

Back

It means to perform the same operation on both sides of the equation to maintain equality.

Front

What is the purpose of using variables in equations?

Back

Variables represent unknown values that we can solve for using algebraic methods.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the equation for the problem: 'You bought a $5 magazine and four erasers for a total of $25'?

Back

The equation is 5 + 4x = 25.

Front

What operation would you perform first to solve the equation 7x + 10 = 24?

Back

Subtract 10 from both sides.