①1⼀2(2x-1)=1 ②5-3（x-1⼀3）=2 ③6x-7(1-x)=6 ④3(x-5)-4(x+1)=x+9

①1/2(2x-1)=1
2x-1=2
x=3/2

②5-3（x-1/3）=2
3（x-1/3）=3
x-1/3=1
x=4/3

③6x-7(1-x)=6
6x-7+7x=6
13x=13
x=1

④3(x-5)-4(x+1)=x+9
3x-15-4x-4=x+9
2x=-28
x=-14

⑤6-3(x-1)=12-2(2x+1)
6-3x+3=12-4x-2
x=10-9
x=1

⑥5(x+2)=5-9(x-3)
5x+10=5-9x+27
14x=22
x=11/7

⑧1-2（2x-5）=3(3-x)
1-4x+10=9-3x
x=11-9
x=2

①1/2(2x-1)=1
2x-1=2
2x=3
x=3/2

②5-3（x-1/3）=2
5-3x+1=2
-3x=-4
x=4/3

③6x-7(1-x)=6
6x-7+7x=6
13x=13
x=1

④3(x-5)-4(x+1)=x+9
3x-15-4x-4=x+9
-2x=28
x=-14

⑤6-3(x-1)=12-2(2x+1)
6-3x+3=12-4x-2
x=1

⑥5(x+2)=5-9(x-3)
5x+10=5-9x+27
14x=22
x=11/7

⑧1-2（2x-5）=3(3-x)
1-4x+10=9-3x
-x=-2
x=2

X=3/4
X=1/3
X=1

X=-14
X=1
X=11/7
X=2