x-0.2x=36
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x-0.2x=36
x-0.2x=36
x-0.2x=36
x-0.2x=36
(1-0.2)x=36
0.8x=36
0.8x÷0.8=36÷0.8
x=45
0.8x=36
8x=360
x=45
0.8x=36
x=45
x-0.2x=36
x-0.2x-4=36
x-0.2x+4=36
0.2x-25%x=36
(X+X)+(X-X)+(X*X)+(X/X)=100
x-30-0.2x=0.5x
x-0.2x=80 求x
(X-8)/X=0.2(X-8)/X=0.2
(x-1)+(x+2)+0.2x+2x=46
10x -6.2x-2x=36 x=?
10x+(10-x)-36=10(10-x)+x
x+2x×10=10x+2x+36
解方程:(x+2)(x+2)-x*x=36
(X/10)(X/10)=(6-X*X)/36
x*x+2*x+1=36,x怎么解,
X-X×0.2=1.18
x-0.2.x=180
x=120+(x ×0.2)