23.7=5.9+x怎么解

23.7=5.9+x怎么解 x*x-x=90怎么解 3.6x-5.9x=5.4怎么解方程? 5.9x-9=4.2x 2.9怎么解方程 8.2x+3.6x=5.9?怎么解? x^2=(x+30)X(x-18)怎么解 x 5x=21.6-x-5x怎么解 (x+12)*(x+12)=x*x+360怎么解 x-(30-x)=(30-x)-x/3,怎么解 x*x=(x+10)*(x-6)怎么解 x(x+x)=48 求x 怎么解 (x+x+23+x+50)=3x 怎么解 x*x=75%x*(x+3)怎么解? (168+X)/(288+X)=(120-X)/X怎么解 x*x+2*x+1=36,x怎么解, x(x+1)-x(x-1)=188怎么解, 25%X+(144-x)=x-25%X怎么解 x(x+1)-x(x-1)=188怎么解,