Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more 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 a variable in mathematics?

Back

A variable is a symbol, often represented by letters like x or y, that stands for an unknown value.

Front

What is the solution of the equation x + 5 = 12?

Back

x = 7

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other side.

Front

What is the equation for finding Janeen's age if her mother is 47 and she is 26 years older?

Back

j + 26 = 47

Front

What is the solution of the equation 2x = 20?

Back

x = 10

Front

What does it mean when an equation has no solution?

Back

An equation has no solution when there is no value for the variable that makes the equation true.

Front

What is the solution of the equation x - 8 = -5?

Back

x = 3

Front

What is the equation that represents 'three times as many as six is eighteen'?

Back

3 x 6 = 18