bankskry
07.01.2020 •
Mathematics
How many pieces would it take to make 2 1/3
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Ответ:
Ответ:
Explanation:
-9x + 10y = -18
3x - y = 6
————————
-9x + 10y = -18
10(3x - y = 6)
————————
-9x + 10y = -18
30x - 10y = 60
————————-
21x = 42
x = 42/21
x = 2
Find y:
3x - y = 6
3(2) - y = 6
6 - y = 6
-y = 6 - 6
-y = 0
y = 0