A maths question has left people in tears as it seems impossible to solve, but there's a very simple trick to working out the ...

In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

Substitution is the name given to the process of swapping an algebraic letter for its value. Consider the expression 8\({z}\) + 4. This can take on a range of values depending on what number \({z}\) ...

LP Consulting LLC has partnered with Ninth Grade Algebra to launch a comprehensive algebra course guide for high school ...