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2)Explain how the letter x is used when writing expressions, and give an example.
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2)Explain how the letter x is used when writing expressions, and give an example.

User Daanvn
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1 Answer

4 votes

Answer:

x + y = z

y=5

z=10

x = z - y =10-5 =5

Explanation:

User Sylvie
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