=> x - 247 = 71 * 65
=> x - 247 = 4615
=> x = 4615 + 247
=> x = 4862
x - 247 = 4615
x = 4615+ 247
x = 4862
=> x - 247 = 71 * 65
=> x - 247 = 4615
=> x = 4615 + 247
=> x = 4862
(x-247):65=71
x-247=71x65
x-247=4615
x=4615+247
x=4862
x-247=71\(\times\) 65
x-247=4615
x=4615+247
x=4862
$\text{(x - 247) : 65 = 71}$
$\text{(x - 247) = 71 x 65}$
$\text{(x - 247) = 4615}$
$\text{x = 4615 + 247}$
$\text{x = 4862}$
$\text{Vậy số cần tìm là: 4862}$