Ответ:
Изи
___________________
x = 2.25
Объяснение:
3x + 6x = 18 + x
9x = 18 + x
(9x) - x = (18 + x) - x
8x = 18
8x / 8 = 18 / 8
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Answers & Comments
Ответ:
Изи
___________________
Ответ:
x = 2.25
Объяснение:
3x + 6x = 18 + x
9x = 18 + x
(9x) - x = (18 + x) - x
8x = 18
8x / 8 = 18 / 8
x = 2.25