Equations and Inequalities

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 is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Front

What does it mean for x = 5 to be a solution of an equation?

Back

It means that when you substitute x with 5 in the equation, both sides of the equation will be equal.

Front

Solve the equation: 2 + x = 3.

Back

x = 1.

Front

Solve the equation: 3x = 15.

Back

x = 5.

Front

Solve the equation: x - 7 = 12.

Back

x = 19.

Front

What is the solution to the inequality x + 3 > 7?

Back

x > 4.

Front

What is the solution to the inequality 2x < 4?

Back

x < 2.

Front

Which of the following is an equation? 9 - 2, 7 + y, or y ÷ 9 = 3?

Back

y ÷ 9 = 3 is an equation.

Front

What is the solution to the equation x - 6 = 6?

Back

x = 12.