6X+0.27=25.4 X等于几?

X/6-1=X/10+I,X等于几 x+5x=6,x等于几 (x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几? x平方等于6x,x等于几? x/5/6=8/15 x等于几? 5x+6=0,x等于几 1000x=10000 x等于几 0=-5x x等于几 4x-x等于几 6X-Y=18 = Y-4X=22,X等于几,Y等于几 6加(X)等于6乘(X)X是几 4x＝x＋6那么x等于几