54:45=(x+1):(x-1)怎么解每一步都写清!

45X（x+1）=60X 怎么解 x(x+1)-x(x-1)=188怎么解, x(x+1)-x(x-1)=188怎么解, x*x+2*x+1=36,x怎么解, (X+1/2X+108)/54=(X+1/2X-108)/48 怎么解 (x+1)^x=10 怎么解. x(x+1)=240 怎么解 x[x-1]=50怎么解 x+1/X=2.5怎么解, x[x+1]=50怎么解 X(X-1)=90怎么解 x-0.8x=1怎么解 x+1/x=8.125怎么解 9x=x+1怎么解 (X-1)X=15.75怎么解 9x=x+1怎么解 x(x+1)=80怎么解 x(x-1)(x 1)=60怎么解