fgngf457 fgngf457

27-11-2018
Mathematics

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-4.2x=21 what does x mean PLEASE

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Nightmareskies Nightmareskies

27-11-2018

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.

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carmenelly87 carmenelly87

27-11-2018

X is a number that we don’t know yet

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