5(y-2)-7(y+3)=11(y+4)
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5(y-2)-7(y+3)=11(y+4)
5(y-2)-7(y+3)=11(y+4)
5(y-2)-7(y+3)=11(y+4)
5(y-2)-7(y+3)=11(y+4)
5y-10-7y-21=11y+44
-2y-31=11y+44
13y=-75
y=-75/13
5(y-2)-7(y+3)=11(y+4)
5y-10-7y-21=11y+44
5y-7y-11y=44+10+21
-13y=75
y=75÷(-13)
y=-75/13
5(y-2)-7(y+3)=11(y+4)
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
[T,Y]=ode45(@rigid,[0 1],[rand(15,1)]);plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.',T,Y(:,4),'-',T,Y(:,5),'-.',T,Y(:,6),'.',T,Y(:,7),'-',T,Y(:,8),'-.',T,Y(:,9),'.',T,Y(:,10),'-',T,Y(:,11),'-.',T,Y(:,12),'-.',T,Y(:,13),'.',T,Y(:,14),'-',T,Y(:,15),'.')
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