briseisr20
22.09.2020 •
Mathematics
Which of the following is a solution for the equation 7x+ 21 = 105?
105
15
84
12
Solved
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Ответ:
12
Step-by-step explanation:
7x +21 =105
7x =105 - 21
7x =84
x=84 :7
x=12
Ответ:
Step-by-step explanation:
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