Solving One and Two Step Equations

Front

What is a one-step equation?

Back

An equation that can be solved in a single operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

An equation that requires two operations to solve, typically involving both addition/subtraction and multiplication/division.

Front

What is the first step in solving the equation: 5x + 7 = 12?

Back

Subtract 7 from both sides to isolate the term with x.

Front

How do you represent the situation: Robyn had some video games then bought 4 more. Now she has a total of 10 games?

Back

The equation is v + 4 = 10.

Front

What is the first step to solve the equation: 19 = t + 2?

Back

Subtract 2 from both sides to isolate t.

Front

Back

r = 72.

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

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.