Question

X x 3 + X x 2 + X - 2389 = 3779

Answer 1

x = 1028

Answer 2

X x 3 + X x 2 + X - 2389 = 3779

X x 3 + X x 2 + X = 3779 - 2389

X x 3 + X x 2 + X = 1380

X x ( 3 + 2 + 1 ) = 1380

X x 6 = 1380

X = 1380 :6

X = 230

Answer 3

1028 nha