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30.09.2019 •
Mathematics
3x + 2y= 20
if x = 3 what is y
pls
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Ответ:
hope I helped:)
Ответ:
3(3)+2y=20
9+2y=20
-9. -9
2y= 11
Divide 11 in both side and your final answer is 5.5
Hope it helps
Ответ:
$520
Step-by-step explanation:
500(0.04) = kenny's annual interest rate return= 20
500+20= total dollars kenny has in a year