Equations often contain algebra ... value for one letter. To solve an equation we use the inverse operations to undo the equation. STEP 5 - You’ve found the answer x = 2. Always remember ...

In a simple example, some readers may want to hear math spoken in plain English; for example, "two X open parenthesis three Y plus four Z close parenthesis." However, more experienced readers will ...

But what role does math play in solving complex problems such as ... We can guarantee that x is between 1 and 9 by saying ...