step 1 We want to solve the equation 9 plus y equals negative 4. To isolate the y, to get it by itself,

Solve. 9+y=-4 | Numerade

Name: Problem 18, Chapter 2: Elementary Algebra
Uploaded: 2022-01-22T20:59:25-08:00
Duration: 27 s
Channel: James Kiss
Description: Solve. 9+y=-4

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Key Concepts

Isolation of Variables

Isolation of variables is the process of rearranging an equation so that the variable of interest is on one side of the equation. This is a key skill in solving algebraic equations as it allows for straightforward computation of the variable's value.

Linear Equations

A linear equation is an equation where the variable(s) appear only to the first power and the graph of the equation forms a straight line. Understanding linear equations is fundamental in algebra as they appear frequently in various problems.

Inverse Operations

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division. They are used to simplify equations and isolate the variable to find its value.

Properties of Equality

The properties of equality state that performing the same operation on both sides of an equation maintains the balance of the equation. This concept is critical for rearranging and solving equations correctly.

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