Solving Addition Equations With Variables

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 of the variable that makes the equation true.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Front

What is the first step in solving the equation 54 = s + 34?

Back

Subtract 34 from both sides to isolate the variable s.

Front

If 54 = s + 34, what is the value of s?

Back

s = 20.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

How do you represent the statement 'A number m is 22 less than 118' in an equation?

Back

m + 22 = 118.

Front

What is the solution to the equation p + 22 = 66?

Back

p = 44.

Front

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

Back

Inverse operations are used to isolate the variable and solve the equation.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.