若x-3的相反数是-5,则x=______.
若3x-2和4-5x互为相反数,则x=______.
若代数式-3x+1与4x-5互为相反数,则x=______.
若5x+2与-2x+7是相反数,则x-2的值是______.
如果5x+3与-2x+9是互为相反数,则x-2的值是______.
若3x+2与-2x+1互为相反数,则x-2的值是______.
若3x+2与-5x-8互为相反数,则x-2的值为______.
若2x+5与9-3x互为相反数,则x-2的值为______.
已知代数式3x+1与代数式5-2x的值互为相反数,则x=______.
如果代数式2x+3与x-5的值互为相反数,则x=______.
x2+4x-5与2-2x是互为相反数,则x的值为______.
若|x-3|与|2y+3|互为相反数,则x+y=______.
若x,y互为相反数,且2x-3y=5,则x3+y3=______.