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-4.2x=21 what does x mean PLEASE
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-4.2x=21 what does x mean PLEASE

User Sergiu Mare
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2 Answers

5 votes
X is a number that we don’t know yet
User MichaelGoren
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2 votes

Answer:

X is a variable or a symbol for a number we don't know yet. The variable can be plugged in with any number (a fraction, decimal, etc,). For X, the answer would be 5.


User Timday
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