Equations Flashcard

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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 first step in solving the equation 3(x+2) = 15?

Back

Distribute the 3 to both terms inside the parentheses: 3x + 6 = 15.

Front

How do you isolate the variable in the equation -5x = 25?

Back

Divide both sides by -5 to get x = -5.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

If Nick has $45 and spends some on lattes, how do you find the price of each latte if he has $18 left after buying 6?

Back

Set up the equation: 45 - 6p = 18, where p is the price of each latte.

Front

What is the solution to the equation 3(x+2) = 15?

Back

x = 3.

Front

What is the solution to the equation -5x = 25?

Back

x = -5.

Front

What is the solution to the equation 2x + 4 = 16?

Back

x = 6.