1⼀2[x-1⼀2(x-1)]=2⼀3(x-1) 详细的过程

2024-12-14 23:05:41
推荐回答(2个)
回答1:

1/2[x-1/2(x-1)]=2/3(x-1) 两边乘6
3(x-0.5x+0.5)=4(x-1)
1.5x+1.5=4x-4
4x-1.5x=1.5+4
2.5x=5.5
x=5.5÷2.5
x=2.2

回答2:

=5y+2
5y=-3-2
5y=-5