Ответ:
х=3
3×х=3х
3×2=6
3х+6-2х=9
3х-2х=х
6-х=9
х=9-6
3(3+2)-2×3=9
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Ответ:
х=3
3×х=3х
3×2=6
3х+6-2х=9
3х-2х=х
6-х=9
х=9-6
х=3
3(3+2)-2×3=9