Question

Bài 1)

A) 15-(1+x)=1

B)3+x-(14-22)=-13

17-(2+x)=3

Answer 1

Bài 1
a) 15-(1+x)=1 b)3+x-(14-22)=-13
1+x =15-1 3+x-(-8)=-13
1+x =14 3+x+8=-13
x = 14-1 3+x=(-13)-8
x=13 3+x=-24
Vậy x=13 x=(-24)-3
x=-27 c)17-(2+x)=3 Vậy x=-27
2+x =17-3
2+x =14
x=14-2
x=12
Vậy x=12