(01.02) choose the best definition for the following term: substitution a letter that holds the place for some unknown value in mathematics a process where you must look for terms that have identical variable parts and then combine their coefficients a process where if two things are equal, one can be put in the place of the other and nothing will change terms that have identical variable parts

A process where if two things are equal, one can be put in the place of the other and nothing will change

Explanation:

In mathematics, the substitution method is a process where if two things or expressions are equal (for example, a letter and the value of the number), one can be put in the place of the other and nothing will change.

Take a look at the following equation:

X + 7 = 10

3 + 7 = 10

In this case, we can substitute the letter X by the number 3 and nothing will change because they both have the same value (X is equal to 3).

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