若2x+3•3x+3=36x-2,则x=______.
若2x+3•3x+3=36x-2,则x=______.
若3x-2和4-5x互为相反数,则x=______.
若x^2+3x-1=0,则x^3+5x^2+5x+18=______
若2x+3y-1=y-x-8=x+6,则2x-y=______.
方程:3*16^x+2*81^x=5*36^x的解x=______
已知x-1/x=3,则x^2+1/x^2的值是______
若x+3y=3x+2y=7,则x=______,y=______.
4x=2x+3,则x=______.
如果x-2与-3x+8互为相反数,则x=______.
已知3x+1和2x+4互为相反数,则x=______.
若3x-4y=0,则x/y=______,(x-y)/y=______,(3x+2y)/(2x+3y)=_____.
关于分式方程的若A/x-5+B/x+2=5x-4/x²-3x-10,则A=______,B=______