Answer :

1. y

2. x

3. x

4. x and y

5. z

Explanation:

– Variable is a symbol or unknown numerical value in an equation. Such us x , y and z.

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Answer:

y - 6

Variable: y

6 (x + 4)

Variable: x

2x + 10

Variable: x

4x - 2y + 5

Variable: x , y

3z + 2 *

Variable: z

Step-by-step explanation:

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