Is not well-formed because parentheses are not balanced. In this section we turn our attention to translating word phrases into mathematical expressions. For example the phrase 6 added to some number can be written as the expression x 6 where the variable x represents the unknown number.
An algebraic expression is a collection of numbers variables operations and grouping symbols.
When you see a math problem containing parentheses you need to use the. The grouping symbols are usually a set of parentheses but they can also be sets of brackets or braces. Left parenthesis 345 plus 23 right parenthesis divided by 2. My family is getting a new dog from the shelter we are going to name him Barney.