8X+12=18X+7 (怎么解)
X-0.5X-12-0.5(X-0.5X-12)-8=18怎么解
(x+24)+x+(x/2+12)=7x 怎么解
(54+X)/(12+X)=7X怎么解
60+x=4x(12+x)怎么解
(x/8+x/12)*3+(x/12+x/24)y=x怎么解,
(x+12)*(x+12)=x*x+360怎么解
x^2=(x+30)X(x-18)怎么解
解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
(4/7x-12)+3/2(4/7X-12)=X 怎么解
(8-x)(8-x)+(7-x)(7-x)=25怎么解啊
7x+2=4x+11 4(8+3x)=3x+41怎么解