Question

Solve each equation and check the result. $$4+a=12$$

   Solve each equation and check the result.
$$4+a=12$$

Prealgebra

Alan S. Tussy, R.… 4th Edition

Chapter 1, Problem 67

Instant Answer

Solved by Expert Brandon Fox

07/26/2020

Step 1

This gives us: $$4+a-4=12-4$$ Show more…

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Solve each equation and check the result. $$4+a=12$$

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Key Concepts

Linear Equations

Linear equations involve variables raised only to the first power and no products of variables. They typically model relationships with a constant rate of change, and solving them means finding the value of the variable that makes the equation true.

Isolating the Variable

This concept entails rearranging the equation using inverse operations, such as addition, subtraction, multiplication, or division, to have the variable alone on one side of the equation. It is a fundamental approach to solving equations in algebra.

Solution Verification

Verifying the solution involves substituting the found value back into the original equation to ensure that both sides of the equation are equal. This step confirms the validity of the solution and checks for any errors made during the solving process.

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