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Simplify the following expression: 10x - 12x.

Question:

Simplify the following expression: {eq}10x - 12x {/eq}.

Algebraic Expressions

An algebraic expression is made of algebraic terms separated by mathematical operations like addition, multiplication, subtraction and division. An algebraic term is made up of constants and variables.

Answer and Explanation:

In the simple algebraic expression below, the terms already have the same variables so the mathematical operation can be executed. The coefficients of the variable {eq}x {/eq} will be subtracted, leaving the variable unchanged:

{eq}10x - 12x {/eq}

{eq}-2x {/eq}

Thus, the expression {eq}10x - 12x {/eq} in simplified form is {eq}-2x {/eq}.


Learn more about this topic:

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Evaluating Simple Algebraic Expressions

from ELM: CSU Math Study Guide

Chapter 6 / Lesson 3
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