3 years ago

-4.2x=21 what does x mean PLEASE

2 answers:

7 0

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.

zhenek [66]3 years ago

4 0

X is a number that we don’t know yet

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