kaliyaht01
03.08.2020 •
Mathematics
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Ответ:
x = 3
Step-by-step explanation:
Sqrt(x+7) - 1 = x
Sqrt(x+7) = x + 1
x+7 = x^2 + 1
x = x^2 - 6
x=3
Ответ:
y=2x+5
Step-by-step explanation: