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Chapter 10: Q10. (page 603)

Simplify the expression.

x+y鈭�3x鈭�4y+2x鈭�8y

Short Answer

Expert verified

The final expression is 鈭�11y.

Step by step solution

01

Step 1. Define an expression.

A mathematical expression is a combinations of numbers and variables ordered with mathematical operations.

02

Step 2. Define like and unlike terms.

In algebra, like terms are the terms that have the same variables and powers.

The unlike terms are two or more terms that are not like terms.

03

Step 3. Simplify the expression x+y−3x−4y+2x−8y.

Simplify the expressionx+y鈭�3x鈭�4y+2x鈭�8y by combining the like terms.

role="math" localid="1647959784468" x+y鈭�3x鈭�4y+2x鈭�8y=x鈭�3x+2x+y鈭�4y鈭�8y=3x鈭�3x+y鈭�12y=0鈭�11y=鈭�11y

Therefore the final expression is 鈭�11y.

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