当x取何值时,代数式x-2(1-x)与3(x-1)的值互为相反数?

2025-05-08 09:28:00
推荐回答(3个)
回答(1):

x-2(1-x)= -3(x-1)解:x-2+2x= -3x+3x+2x=3x= 3+26x=5x=5\6

回答(2):

x-2(1-x)=-3(x-1)
x=1

回答(3):

x-2(1-x)= -3(x-1)
x-2=3
x=1