5x+6y+3x-4y+3-x+x =5x+3x-x+x+6y-4y+3 =8x=2y+3 谁能告诉我这题合并同类项的解题步骤啊,要按照题目.最好详细一点,快啊,明天半期考了,这题不会就完了:5x+6y+3x-4y+3-x+x合并同类项:=5x+3x-x+x+6y-4y+3=8x=2y+3
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![5x+6y+3x-4y+3-x+x =5x+3x-x+x+6y-4y+3 =8x=2y+3 谁能告诉我这题合并同类项的解题步骤啊,要按照题目.最好详细一点,快啊,明天半期考了,这题不会就完了:5x+6y+3x-4y+3-x+x合并同类项:=5x+3x-x+x+6y-4y+3=8x=2y+3](/uploads/image/z/389522-2-2.jpg?t=5x%2B6y%2B3x-4y%2B3-x%2Bx+%3D5x%2B3x-x%2Bx%2B6y-4y%2B3+%3D8x%3D2y%2B3+%E8%B0%81%E8%83%BD%E5%91%8A%E8%AF%89%E6%88%91%E8%BF%99%E9%A2%98%E5%90%88%E5%B9%B6%E5%90%8C%E7%B1%BB%E9%A1%B9%E7%9A%84%E8%A7%A3%E9%A2%98%E6%AD%A5%E9%AA%A4%E5%95%8A%2C%E8%A6%81%E6%8C%89%E7%85%A7%E9%A2%98%E7%9B%AE.%E6%9C%80%E5%A5%BD%E8%AF%A6%E7%BB%86%E4%B8%80%E7%82%B9%2C%E5%BF%AB%E5%95%8A%2C%E6%98%8E%E5%A4%A9%E5%8D%8A%E6%9C%9F%E8%80%83%E4%BA%86%2C%E8%BF%99%E9%A2%98%E4%B8%8D%E4%BC%9A%E5%B0%B1%E5%AE%8C%E4%BA%86%EF%BC%9A5x%2B6y%2B3x-4y%2B3-x%2Bx%E5%90%88%E5%B9%B6%E5%90%8C%E7%B1%BB%E9%A1%B9%EF%BC%9A%3D5x%2B3x-x%2Bx%2B6y-4y%2B3%3D8x%3D2y%2B3)
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5x+6y+3x-4y+3-x+x =5x+3x-x+x+6y-4y+3 =8x=2y+3 谁能告诉我这题合并同类项的解题步骤啊,要按照题目.最好详细一点,快啊,明天半期考了,这题不会就完了:5x+6y+3x-4y+3-x+x合并同类项:=5x+3x-x+x+6y-4y+3=8x=2y+3
5x+6y+3x-4y+3-x+x =5x+3x-x+x+6y-4y+3 =8x=2y+3 谁能告诉我这题合并同类项的解题步骤啊,要按照题目.
最好详细一点,快啊,明天半期考了,这题不会就完了
:5x+6y+3x-4y+3-x+x
合并同类项:=5x+3x-x+x+6y-4y+3
=8x=2y+3 是这个的具体解题步骤,怎么算出来的
5x+6y+3x-4y+3-x+x =5x+3x-x+x+6y-4y+3 =8x=2y+3 谁能告诉我这题合并同类项的解题步骤啊,要按照题目.最好详细一点,快啊,明天半期考了,这题不会就完了:5x+6y+3x-4y+3-x+x合并同类项:=5x+3x-x+x+6y-4y+3=8x=2y+3
合并同类项后8x+2y+3=8x+2y+3=8x=2y+3可以看出最后等于0,随意整个等式为0,x=0,y=-3/2
(x+y-5)*(x+y-5)+(x-y+3)=0 x*x-y*y
已知:3x-5y=0,求x/y,x-y/y,x-y/x
若2x-3y+4=0则x(x*x-1)+x(5-x*x)-6y+7
(5x+3y)(3y-5x)-(4x-y)(4y+x)=
(3x-4y)(5x-4y)-(7x-8y)(6y-5x)
x+y/2+x-y/6=5 2(x+y)-3(x-y)=-2
6(x-y)-2(x+y)=14 3(x-y)+(x+y)=5
(x+y)^6/(x+y)^4-(x-y)^5/(x-y)^3 化简 ..
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
3(x+y)-4(x-y)=11,2(x-y)+5(x+y)=27
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2
先化简再求值(x-y)(x-2y)+(x-2y)(x-3y)-2(x-3y)(x-4y) x=4 y=5
{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
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
把(x-y)看作一个整体,化解:5(x-y)+2(x-y)-4(x-y)= 3(x-y)把(x-y)看作一个整体,化解:5(x-y)+2(x-y)-4(x-y)=3(x-y)²-4(x-y)+7(x-y)-6(x-y)²=
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+(x-3y)(x-5y)+(x-2y)(x-4y)
(3x+4y)(5x-6y)=?
把(x-y)看做一个整体,合并同类项5(x-y)+2(x-y)-4(x-y)=3(x-y)次方-4(x-y)+7(x-y)-6(x-y)次方=