step 1 Okay, here we're going to solve for n. So right now we're saying 7 times n equals 215. And we wa

Solve. 7 n=215 | Numerade

Name: Problem 12, Chapter 2: Elementary Algebra
Uploaded: 2022-02-02T22:04:21-08:00
Duration: 1 min 26 s
Channel: Rylie Howey
Description: Solve. 7 n=215

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Key Concepts

Division as an Inverse Operation

Division is the inverse operation of multiplication and is used to 'undo' a multiplication when solving equations. By dividing both sides of an equation by the coefficient of the variable, the variable is isolated, thus revealing its value.

Linear Equations

A linear equation is an algebraic equation in which each term is either a constant or the product of a constant and a single variable. These equations represent straight lines when graphed and are characterized by the fact that the variable is raised only to the first power, making them straightforward to solve using basic algebraic operations.

Isolating the Variable

This is the process of manipulating an equation to express the variable of interest on one side alone. It involves performing operations such as division, multiplication, addition, or subtraction symmetrically on both sides of the equation to maintain equality. This fundamental technique is used to directly determine the value of the variable.

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