Janette gave 30% of her crystals to Ally. Janette had 420 crystals left. Ally had a total of 300 crystals after receiving from Janette. How many crystals did Ally have at first?

Q: Solve the following quadratic equation for all values of x in simplest form. 6 – a? = -8

A:

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A: Let us take:  u→=0, 0, 0v→=1, 2, 3w→=4, 5, 6

Q: can i please see it written out?

A: Solution