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 x - 62 = 123?

Back

Add 62 to both sides of the equation.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

Write an equation for the following scenario: Aliyah had $24 to spend on seven pencils. After buying them, she had $10. How much did each pencil cost?

Back

7x + 10 = 24.

Front

How do you solve the equation 5 + 4x = 25 for x?

Back

Subtract 5 from both sides, then divide by 4.

Front

What does it mean to 'solve for p' in the equation 765 = p - 254?

Back

It means to find the value of p that makes the equation true.

Front

Write an equation for the following scenario: You bought a $5 magazine and four erasers for a total of $25. How much did each eraser cost?

Back

5 + 4x = 25.

Front

What is the solution to the equation 331 = 6x + 7?

Back

To find x, subtract 7 from 331 and then divide by 6.