8/25x + 0.4x + 280 = x

Question

8/25x + 0.4x + 280 = x

Answer 1

8/25х + 0,4х + 280 = х
0,32х + 0,4х + 280 = х
280 = х - (0,32х + 0,4х)
280 = 0,28х
х = 280 : 0,28
х = 1000