Ответ:
y=-17+3x
2x+3y=-7
2x+3(-17+3x)=-7
x=4
y=-17+3*4
y=-5
(x;y)=(4;5)
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Ответ:
y=-17+3x
2x+3y=-7
2x+3(-17+3x)=-7
x=4
y=-17+3*4
y=-5
(x;y)=(4;5)