作业帮10y+7=22y-5-3y 10y+7=22y-5-3y
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10y+7=22y-5-3y 10y+7=22y-5-3y
10y+7=22y-5-3y
10y+7=22y-5-3y
10y+7=22y-5-3y 10y+7=22y-5-3y
10y+7=22y-5-3y 9y=12 y=4/3
，移项得22y-3y-10y=7+5
9y=12
y=9分之12
约分为3分之4
10y+7=22y-5-3y
10y-22y+3y=-5-7
-9y=-2
y=2/9
10y+7=22y-5-3y 10y+7=22y-5-3y
10y+7=22y-5-3y y=?
10y+7=22y-11-3y
10y-2(7y-2)=5(4y+5)-3y
3-5-2y/5=y-4-7y/10+y+2/2
10y+2(7y-2)=5(4y+3)+3y怎么算
[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),'.')
7y-10y+5=4y-5
1.5（x+y）+3（x-y）=27（x+y）-3（x-y）=-62.x-y/7 - x+y/10 =1/22(x-y)-5(x+y)=3所谓细节决定成败,
1.4（x-y-1）=3(1-y)-22/x+3/y=22.5(x+y)-6=43x+3y+7y=10
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
10y+2=22y-5-3y,Y等于几,解一元一次方程
3(y-3)-5(1+y)=7(y-1)
x-y/7 - x+y/10 =1/2 2(x-y)-5(x+y)=3修改、、、、（x-y)/7-(x+y)/10=1/2 2(x-y)-5(x+y)=3
5(y-2)-7(y+3)=11(y+4)
(3y-1)/4-1=(5y-7)/6 9y-3-3=10y-14 9y-10y=-14+3+3 -y=-8 y=8
{ x-y/7-x+y/10=1/2 {2(x-y)+5(x+y)=3
{ x-y/7-x+y/10=1/2 {2(x-y)+5(x+y)=3