x - 6479 = 1000
x = 1000 + 6479
x = 7479
x - 6479= 1000
x = 1000+6479
x = 7479
Vậy x=7479
x - 6479 = 1000
x = 1000 + 6479
x = 7479
x - 6479 = 1000
x = 1000 + 6479
x = 7649
Vậy x = 7649
k nhé nguyenthingochuyen
x-6479=1000
\(\Rightarrow\)x=1000+6479
\(\Rightarrow\)x=7479