СИСТЕМА ЛИНЕЙНЫХ УРАВНЕНИЙ 5 x = - 32 - 4 y 10 x + 4 y = - 72. Created by AnnaMillerNikitina. matematika-ru

СИСТЕМА ЛИНЕЙНЫХ УРАВНЕНИЙ 5 x = - 32 - 4 y 10 x + 4 y =

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00страус00 5x=−4y−32
10x+4y=−72

x=−0,8y−6,4
10x+4y=−72

x=−0,8y−6,4
10(−0,8y−6,4)+4y=−72

x=−0,8y−6,4
−4y+8=0

x=−0,8y−6,4
y=2
x=−8
y=2

(использовала метод подстановки)

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