3х – 5у = 23,
2х + Зу = 9
6x-10y=46
6x+9y=27
10y+9y=-46+27
19y=-19
y=-1
x=5+1
X=6
Ответ:
x=6
y= -1
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3х – 5у = 23,
2х + Зу = 9
6x-10y=46
6x+9y=27
10y+9y=-46+27
19y=-19
y=-1
x=5+1
X=6
Ответ:
x=6
y= -1