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Referencing Equations \begin{equation} \label{eq:pythagorean} a_1^2 + b_1^2 = c_1^2 \end{equation} An example table can be seen in \ref{eq:pythagorean}. Also note how the "Equation" prefix is automatically added within the document text whenever the reference is called.

To help students in the United States remember this order of operations, teachers drill the acronym PEMDAS into them: parentheses, exponents, multiplication, division, addition, subtraction. Other teachers use an equivalent acronym, BODMAS: brackets, orders, division and multiplication, and addition and subtraction.

What is math mode? For many people the most useful part of LaTeX is the ability to typeset complex mathematical formulas. for the sake of simplicity, LaTeX separates the tasks of typesetting mathematics and typesetting normal text. This is achieved by the use of two operating modes, paragraph and math mode.

For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign. The most basic and simple algebraic equations consist of one or more variables in math.

We have 4 ways of solving one-step equations: Adding, Substracting, multiplication and division. If we add the same number to both sides of an equation, both sides will remain equal. If we subtract the same number from both sides of an equation, both sides will remain equal.

Remember PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. In most numerical problems, you would start with parentheses and continue with the steps to the right.

When you solve an equation, you use a process called deductive reasoning where you apply ideas that you know to be true. For example, you know that if you add the same number to both sides of an equation, the equation will not be changed.

The following steps provide a good method to use when solving linear equations. Simplify each side of the equation by removing parentheses and combining like terms. Use addition or subtraction to isolate the variable term on one side of the equation. Use multiplication or division to solve for the variable.