Question

Solve for the indicated variable. $$ -3+n=12 $$

   Solve for the indicated variable.
$$
-3+n=12
$$

Algebra and Trigonometry

Algebra and Trigonometry

Cynthia Y. Young 4th Edition

Chapter 1, Problem 3

Instant Answer

Solved by Expert Courtney Solomon

06/13/2021

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Step 1: We start with the equation $$ -3+n=12 $$ Show more…

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Solve for the indicated variable. $$ -3+n=12 $$

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Key Concepts

Linear Equations

Linear equations are algebraic expressions that set a linear polynomial equal to a value. They typically take the form ax + b = c, and solving them involves finding the specific value of the variable that makes the equality true.

Inverse Operations

Inverse operations are mathematical operations that undo each other. In the context of solving equations, this means using the opposite operation (such as adding instead of subtracting) to isolate the variable on one side of the equation.

Balancing Equations

The principle of balancing equations states that any operation performed on one side of an equation must also be performed on the other side. This maintains the equality, ensuring that the original relationship is preserved while solving for the variable.

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