Match the key word with its definition.

Question

Key Word
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Answer
Definition
A combination of numbers, variables, and operations that does not contain an equals sign or inequality sign. If it includes variables, it is often called an algebraic expression.
The process of replacing a variable with a number or expression.
I Answer -----!
substitution
# expression

Answer 1

Here’s the correct matching for the key words with their definitions:

1. expression - A combination of numbers, variables, and operations that does not contain an equals sign or inequality sign. If it includes variables, it is often called an algebraic expression.
2. substitution - The process of replacing a variable with a number or expression.

So, the answers are:

1. expression
2. substitution