4(3y+2)-3(2+y)=3+8y .5(x+ 9-3(9+x)=2 .3(x+(1-2x))=6.急
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4(3y+2)-3(2+y)=3+8y.5(x+9-3(9+x)=2.3(x+(1-2x))=6.急4(3y+2)-3(2+y)=3+8y.5(x+9-3(9+x)=2.3(x+(1-2x))=6.急
4(3y+2)-3(2+y)=3+8y .5(x+ 9-3(9+x)=2 .3(x+(1-2x))=6.急
4(3y+2)-3(2+y)=3+8y .5(x+ 9-3(9+x)=2 .3(x+(1-2x))=6.急
4(3y+2)-3(2+y)=3+8y .5(x+ 9-3(9+x)=2 .3(x+(1-2x))=6.急
4(3y+2)-3(2+y)=3+8y 去括号得:12y+8-6-3y=3+8y移项得:12y-3y-8y=3-8+6合并同类项得:y=1
5(x+ 9-3(9+x)=2 去括号得:5x+45-27-3x=2移项得:5x-3x=2-45+27合并同类项得:2x=-16
系数化为1得:x=8
3(x+(1-2x))=6去括号得:3-3x=6解得:x=-1
4(3y+2)-3(2+y)=3+8y 12y+8-6-3y=3+8y y=1
5(x+9-3(9+x))=2 5x+45-135-15x=2 x=﹣9.2
3(x+(1-2x))=6 3x+3-6x=6 x=﹣1
4(3y+2)-3(2+y)=3+8y
12y+8-6-3y=3+8y
y=1
5(x+ 9-3(9+x))=2
5x+45-15(9+x)=2
5x+45-135-15x=2
10x=-92
x=-46/5
3(x+(1-2x))=6
x+1-2x=2
x=-1
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