bqg464
29.10.2020 •
Mathematics
Function f(x)=-2x+7
evaluatef(x) = 5, find x
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Ответ:
x= 1
Step-by-step explanation:
f(x) = -2x+7
Then, -2x+ 7 = 5
-2x= 5-7
-2x= -2
x=-2/-2
x=1
Ответ:
21$
Step-by-step explanation: