One Step Equations Addition and Subtraction

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 principle of addition in solving equations?

Back

The principle of addition states that if you add the same number to both sides of an equation, the two sides remain equal.

Front

What is the principle of subtraction in solving equations?

Back

The principle of subtraction states that if you subtract the same number from both sides of an equation, the two sides remain equal.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to get the variable alone on one side of the equation.

Front

What is the solution to the equation x - 7 = 2?

Back

The solution is x = 9.

Front

How do you solve the equation w - 3.4 = 5.5?

Back

Add 3.4 to both sides to get w = 8.9.

Front

What is the solution to the equation n + 4 = 12?

Back

The solution is n = 8.

Front

How do you solve the equation n + (-5) = 2?

Back

Add 5 to both sides to get n = 7.

Front

What is the solution to the equation 48 = x - 37?

Back

The solution is x = 85.