4x=2x+3,则x=______.
4x=2x+3,则x=______.
若3x-2和4-5x互为相反数,则x=______.
已知3x+1和2x+4互为相反数,则x=______.
已知f(x)=(x-1)(x-2)(x-3)(x-4)(x-5),则f′(1)=______.
若代数式-3x+1与4x-5互为相反数,则x=______.
如果x-2与-3x+8互为相反数,则x=______.
已知函数f(x)满足2f(x)+f(-x)=3x+4,则f(x)=______.
已知x-1/x=3,则x^2+1/x^2的值是______
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=______
若x+3y=3x+2y=7,则x=______,y=______.
已知(x-3)2+|2x-3y+6|=0,则x=______,y=______.