dilaydi1212
31.03.2021 •
Mathematics
Please, help me with that!
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Ответ:
4x + 8y = 12 │ × 3
-12x + 20y = -36
12x + 24y = 36 +
/ 44y = 0 ⇒ y = 0
4x + 8y = 12 but y = 0
4x + 0 = 12
4x = 12
x = 12/4
x = 3