作业帮32x-5-43y+4=5 (x+1)/5=y+2
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32x-5-43y+4=5 (x+1)/5=y+2
32x-5-43y+4=5 (x+1)/5=y+2
32x-5-43y+4=5 (x+1)/5=y+2
参考：2（x-1）-3（y+2）=4、x+1/2-2y+5/3=1
如果是要求X和Y的值得话
2（x-1）-3（y+2）=4 把括号拆开得到 2X-2-3Y-6=4 移项得 2X-3Y=12①
x+1/2-2y+5/3=1 等式两边同时乘以6,得到6X+3-12Y+10=6 移项得 12Y-6X=7②
①×3+②：3Y=43 得到Y=43/3,将Y代入①可以得到X=55/2
初二上学期方程题 4x+y=5 5x+4y=63x-2y=1 2x+3y=13x-2y=7 7x+5y=32x+3y=17 2x-y=-4x+5y=6 2x+y=23x-6y=4 3x+2y=52x+y=73x-4y=53x+y=1x-2y=-1x+y=42x+3y=92x-3y=74x+5y=3x+y=20004x+6y=90003x+5y=113x-2y=42x+3y=215x-2y=5x+y=54x+3y=182x+3y=16x+4y=132x+3y=40x
化简[(3x+4y)^2-(2x+y)(2x-y)+(-x+y)(5x-y)]除以-2y,其中x=-1,y=1
y=|-x.x+4x+5|
若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7
5x-4y(y-x)=?
32x-5-43y+4=5 (x+1)/5=y+2
{x+y=1 ,xy=-6{x(2x-3)=0,y=x²-1{(3x+4y-3)(3x+4y+3)=0,3x+2y=5{(x-y+2)(x+y)=0,x²+y²=8{(x+y)((x+y-1)=0,(x-y)(x-y-1)=0
求y=(5x-1)/(4x+2) (x
3x-2y=1 4x-5y
1/5x=4y改成比例式x:y():().
(x-y)/4+(x+y)/5=1/4 (x+y)/9-(x-y)/3=//2(x-y)/4+(x+y)/5=1/4(x+y)/9-(x-y)/3=//2
化简求值{(x=2y)(5x-2y)-(3x+2y)(3x-2y)]/4x,其中x=2,y=-1
x-y+5x-4x= ?x-y+5x-4x= ?
请解答方程组：（39）2x+y=5 (40)x+y=7 (41)2x+3y=12 (42)2x+y=3ax+3y=7 2x-y=8 3x+4y=17 3x-5y=11(43)3x+y=82 (44)3(x-1)=y+5 45 x/4+y/3=7 (46)x+y/3 +x-y/2=610x-11y=87 5(y-1)=3(x+5) 2/3x+y/2=14 3(x+y-)2(x-y)=28
4[2x+y]-5[2x-y]=32[2x+y]+10[2x-y]=39
｛x-y=4 ｛5x-y=110 4x-y=－1 9y-x=110
（x-4y=-1 2x+y=16) (x-y=1 2x+y=5 )
（5x+3y)(3y-5x)-(4x-y)(4y+x)=