Прошу помогитееееее!!!!!!!!!!!!!

Question

Прошу помогитееееее!!!!!!!!!!!!!

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Answer 1

X = 5
x = 6
x = 0
x = 12
Вот и всё с:

Answer 2

5x6 = 30
6x7 = 42
9+0 = 0
12-12 = 0