Expressions and Equations Review

Front

What is the first step to isolate the variable in the equation x + 7 = 12?

Back

Subtract 7 from both sides. The solution is x = 5.

Front

What mathematical operation is used to solve single step equations?

Back

Inverse operations.

Front

What equation represents the situation: Robyn had some video games then bought 4 more. Now she has a total of 10 games?

Back

v + 4 = 10.

Front

How do you express '5 less than a number is 15' in equation form?

Back

x - 5 = 15.

Front

Is w = 5 a solution to the inequality 6 + w ≥ 12?

Back

Is NOT a solution.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the purpose of using inverse operations in solving equations?

Back

To undo the operations applied to the variable.

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the solution to the equation 3x = 12?

Back

x = 4.