Question

Solve and check. $$2=x+7$$

Name: Problem 41, Chapter 5: Prealgebra and Introductory Algebra
Uploaded: 2020-06-20T19:52:55-08:00
Duration: 1 min 18 s
Channel: Ethan Somes
Description: Solve and check. 2=x+7

   Solve and check.
$$2=x+7$$

Prealgebra and Introductory Algebra

Richard N. Aufmann,… 3rd Edition

Chapter 5, Problem 41

Instant Answer

Solved by Expert Ethan Somes

06/20/2020

Step 1

Step 1: We are given the equation $$2=x+7$$ We want to solve for x, so we need to isolate x on one side of the equation. Show more…

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Solve and check. $$2=x+7$$

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Key Concepts

Verification of Solutions

Verifying a solution involves substituting the obtained value back into the original equation to check that it satisfies the equation. This step is important for ensuring the accuracy of the solution and for confirming that no mistakes were made during the solving process.

Linear Equations

Linear equations are algebraic expressions where the variable appears in the first degree and the graph of the equation is a straight line. They form the foundation for understanding algebra, and solving them typically involves finding the value of the variable that makes the equation true.

Isolation of Variables

Isolating the variable means rearranging the equation to get the unknown variable on one side and all the constants on the other. This often involves applying inverse operations such as addition, subtraction, multiplication, or division, and is a critical step in solving algebraic equations.

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