b tham khảo và vote điểm giúp mình nhé

1)x+32=-15
=> x=-15-32
=>x=-47
2)x-44=-55.
=>x=-55+44
=>x=-11
3)x-15=-25
=>x=-25+15
=>x=-10
4)x+35=-66
=>x=-66+35
=>x=-31
5) x+40= -61.
=>x=-61-40
=>x=-101
6) x-10=-20.
=>x=-20+10
=>x=-10
7) -x-(-22)=55.
=>-x+22=55
=>-x=55-22
=>-x=33
=>x=-33
8) -x+19= -53.
=>-x=-53-19
=>-x=-72
=>x=72
Bài 2:
10)3-x=12-(-5).
=>3-x=12+5
=>3-x=17
=>x=3-17
=>x=-14
11) 12-x=-7+(-5).
=>12-x=-7-5
=>12-x=-12
=>x=-12-12
=>x=-24
12)x+[(-3)+5]=-13
=>x+2=-13
=>x=13-2
=>x=11