impura12713
16.07.2019 •
Mathematics
The value of y is twice the value of x, decreased by one. find y.
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Ответ:
Ответ:
The numbers are 21 and 15.
Step-by-step explanation:
(7x)(5x) = 315
35x^2 = 315
x^2 = 9
x = 3