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jemseidle8889
19.10.2019 •
Mathematics
7x+6y=21
x+3y=-12 what is the answer
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Ответ:
1x + 3y = -12 ⇒ 2x + 6y = -24
5x = 45
5 5
x = 9
x + 3y = -12
9 + 3y = -12
- 9 - 9
3y = -21
3 3
y = -7
(x, y) = (9, -7)
Ответ:
bruh what
Step-by-step explanation: