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Nikitkoz2003
@Nikitkoz2003
August 2022
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При каком значении а системы уравнений: 1) не имеет решений {-3х + 7у=21
{ах + 7х = -3
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Lesben
-3x+7y=21
ax+7x=-3,x(a+7)=-3, x=-3/(a+7)
Cictema ne imeet pešenie togda, kogda a+7=0, t.e. a=-7.
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Answers & Comments
ax+7x=-3,x(a+7)=-3, x=-3/(a+7)
Cictema ne imeet pešenie togda, kogda a+7=0, t.e. a=-7.