An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra. Algebra is used in Maths when we do not know the exact number in a calculation - this unknown ...

An equation with brackets must be expanded before it is solved. An understanding of expanding brackets is essential when solving equations with brackets. Some equations include a set of brackets. When ...

If North Carolina high school junior Katie Denton struggles with her Algebra 2 homework, she knows she’s not on her own. Denton can use her school-issued smartphone to send instant messages to her ...