若x/2=y/3=z/4(x,y,z均不为0),则x+2y-z/z的值为
2个回答
由x-y+z=2得,2x-2y+2z=4,
∴由②-①得,x+4y+2z=0,
所以,x+4y+2z的值为0.
相关问题
已知3x+2y-3z=0 8x-4y-z=0 其中z不等于0,则x:y:z=0,则x:y:z的值为()
若2x+5y-4z=0,3x+9y-7z=0,则x+y-z的值为
若x/2=y/3=z/4≠0,则(2x-y+4z)/3y的值为_______.
若x/2=y/3=z/4不等于0,则2x-y+4z/3y的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )
若x+2y+3z=10,4x+3y+2z=15,则x+y+z的值为( )