carrrlareyes
26.09.2019 •
Mathematics
How can you eliminate this equation
12x+6y=120
4x+y=30
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Ответ:
-24x -6y =-180
-12x = -60
x = 5
4(5) + y = 30
20 + y = 30
y = 10
(5, 10)
Ответ: