二元一次方程!(1)4(y+2)=1-5x ,3(x+2)=3-2y ;(2)(y+1)/3=5y-x/5 ,3x-5y-25=0 ;(3)6m-n/3=3m+2n/4 ,m/2+n/3-2=0;(4)2(x-150)=5(3y+50) ,0.1x+0.06y=0.085*800.
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![二元一次方程!(1)4(y+2)=1-5x ,3(x+2)=3-2y ;(2)(y+1)/3=5y-x/5 ,3x-5y-25=0 ;(3)6m-n/3=3m+2n/4 ,m/2+n/3-2=0;(4)2(x-150)=5(3y+50) ,0.1x+0.06y=0.085*800.](/uploads/image/z/1593564-60-4.jpg?t=%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%21%EF%BC%881%EF%BC%894%EF%BC%88y%2B2%EF%BC%89%3D1-5x+%2C3%EF%BC%88x%2B2%EF%BC%89%3D3-2y+%EF%BC%9B%EF%BC%882%EF%BC%89%EF%BC%88y%2B1%EF%BC%89%2F3%3D5y-x%2F5+%2C3x-5y-25%3D0+%EF%BC%9B%EF%BC%883%EF%BC%896m-n%2F3%3D3m%2B2n%2F4+%2Cm%2F2%2Bn%2F3-2%3D0%EF%BC%9B%EF%BC%884%EF%BC%892%EF%BC%88x-150%EF%BC%89%3D5%EF%BC%883y%2B50%EF%BC%89+%2C0.1x%2B0.06y%3D0.085%2A800.)
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二元一次方程!(1)4(y+2)=1-5x ,3(x+2)=3-2y ;(2)(y+1)/3=5y-x/5 ,3x-5y-25=0 ;(3)6m-n/3=3m+2n/4 ,m/2+n/3-2=0;(4)2(x-150)=5(3y+50) ,0.1x+0.06y=0.085*800.
二元一次方程!
(1)4(y+2)=1-5x ,
3(x+2)=3-2y ;
(2)(y+1)/3=5y-x/5 ,
3x-5y-25=0 ;
(3)6m-n/3=3m+2n/4 ,
m/2+n/3-2=0;
(4)2(x-150)=5(3y+50) ,
0.1x+0.06y=0.085*800.
二元一次方程!(1)4(y+2)=1-5x ,3(x+2)=3-2y ;(2)(y+1)/3=5y-x/5 ,3x-5y-25=0 ;(3)6m-n/3=3m+2n/4 ,m/2+n/3-2=0;(4)2(x-150)=5(3y+50) ,0.1x+0.06y=0.085*800.
第一题:X=1,Y=-3
第二题:X=55/3,Y=6
第三题:M=20,N=-24
第四题:X=650,Y=50
写什么鬼东东
这么简单,自己解
写清楚点!!再解!谢谢!!!
第一题:X=1,Y=-3
第二题:X=55/3,Y=6
后面两题写的不清楚。
1、