lyoung17
16.06.2021 •
Mathematics
(x) 3 5 7
(y) 7 11 15
Find x, when y = 21
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Ответ:
x = 10
Step-by-step explanation:
y = 2x + 1
21 = 2x + 1
21 - 1 = 2x
2x = 20
x = 10
Ответ:
the answer is 7.35 i think so