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blevinsiman
20.10.2019 •
Mathematics
Otriplo de um número, menos 10 é igual ao próprio número mais 70. qual é esse número?
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Ответ:
40
Step-by-step explanation:
3x-10=x+70
3x-x=70+10
2x=80
x=80
2
x=40
Ответ:
answer: hi
step-by-step explanation:
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