Expressions and Equations

Front

What is the inverse operation of subtraction?

Back

Addition

Front

What is the inverse operation of division?

Back

Multiplication

Front

If m + 13 = 21, what is the value of m?

Back

m = 8

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

Cheryl gets paid $8 per hour and made a total of $96 last week. Which equation models this situation?

Back

8h = 96

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

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

Back

Inverse operations are used to isolate the variable and solve for its value.

Front

What is a variable in the context of algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions or equations.

Front

What is the first step in solving the equation 2x + 5 = 15?

Back

Subtract 5 from both sides to isolate the term with the variable.