代数式2x+3/3-1与5x-11/4 - 3的值互为相反数(2x+3)/3-1+(5x-11)/4 - 3=04(2x+3)-12+3(5x-11)-36=08x+12-12+15x-33-36=023x=69x=3x=3时,代数式2x+3/3-1与5x-11/4 - 3的值互为相反数