2x=4-x,x等于几

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2x=4-x,x等于几
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2x=4-x,x等于几
2x=4-x,x等于几

2x=4-x,x等于几
4/3

1.3333333333

三分之四

4/3

2x=4-x,x等于几 (x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几? x-3分之2-4x+1分之5=1 等于几x等于几 7x=2 x等于几 4x-x等于几 |X|=-x x等于几?为什么 5X=4X+2 等于几? 4-3(2-x)=5x 等于几 y*y*y*y+2x*x*x*x=4x*x*y 求x等于几,y等于几,写出所有选项! x-x=x,x等于几x-x=x,x是几 4x+x²=5.问,x等于几? 4x+x²=15.问,x等于几? 4/x+5/x=1,那么x等于几? x+1=x+2 x等于几? x=2x,求x等于几 2X+X+20=110.X等于几?jikuai X-1=2X,问x等于几? x^2+7x+10=0 x等于几?