X-12.5%X=(56-X)+12.5%X
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X-12.5%X=(56-X)+12.5%XX-12.5%X=(56-X)+12.5%XX-12.5%X=(56-X)+12.5%XX-12.5%X=(56-X)+12.5%X87.5%x=56-x+
X-12.5%X=(56-X)+12.5%X
X-12.5%X=(56-X)+12.5%X
X-12.5%X=(56-X)+12.5%X
X-12.5%X=(56-X)+12.5%X
87.5%x=56-x+12.5%x
87.5%x=56-87.5%x
87.5%x+87.5%x=56
175%x=56
x=32
等式左右两边同时乘以100，去掉百分号，然后去括号，合并同类项，求出x
X-12.5%X=(56-X)+12.5%X
x+12.5=3.5x
x+12.5=3.5x
x+12.5=3.5x
12.5％x+1=x
12.5％x+1=x
12.5-0.25X=X
6x-x=12.5
（X+X)+(X-X)+(X*X)+(X/X)=100
(x+3)(x-4)-x(x-2),化简求值,其中x=12.5
x*x*x*x*x=80000?
12.5=X乘X.请问X=多少?
2（12.5X-6.5X-X）=4.2
12.5x-0.75x+3=7.3-1.5x
x-1/0.25-x/12.5=1.2 x等于多少?
2x+{3X(12.5-x)}=30MEIYOU
x+12.5%x=46.5多少?
12.5x+x=10.8怎么解