\(7x-8=731\)
\(=>7x=739\)
\(=>x=\frac{739}{7}\)
\(4x:17=0\)
\(=>4x=0\)
\(=>x=0\)
Ủng hộ nhz
Sai đề rồi :
a, 7x - 8 = 713
7x = 713 + 8
7x = 721
x = 721 : 7
x = 103
Vậy x = 103
b, 4x : 17 = 0
4x = 0 x 17
4x = 0
x = 0 : 4
x = 0
Vậy x = 0
oooooooooooooooooooooooooooooooooooooooooo
7x=731+8
7x=739
x=739: 7
x=
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