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 an equation?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

Front

What is the solution of an equation?

Back

The solution of an equation is the value of the variable that makes the equation true.

Front

What does it mean if an equation has no solution?

Back

An equation has no solution if there is no value for the variable that can satisfy the equation.

Front

What does it mean if an equation has infinitely many solutions?

Back

An equation has infinitely many solutions if any value of the variable satisfies the equation.

Front

What is the first step to solve the equation 8w = 64?

Back

Divide both sides by 8 to isolate w.

Front

What is the first step to solve the equation 15 = m - 5?

Back

Add 5 to both sides to isolate m.

Front

What is the first step to solve the equation -6x = -24?

Back

Divide both sides by -6 to isolate x.

Front

What is the first step to solve the equation 3x = -9?

Back

Divide both sides by 3 to isolate x.