\(a,123+x=23\times3\)
\(123+x=69\)
\(x=69-123\)
\(x=-54\)
a,123+x=69
x=69-123
x=-54
B,\(2x^3=2^3\)
Suy ra:
x=2:2
x=1
Tìm x
a)123+x=23*6
123+x=138
x=138-123
x=15
b) 2x+1^4=81
2x+1^4=3^4
=> 2x+1=3
2x =3-1
2x =2
x =2:2
x =1
K mk nha
Thank you very much !!!
Ủng hộ con gái nha !!!