8 × ( 5 × x - 58 ) + 350 = 1006
8 × ( 5 × x - 58 ) = 1006 - 350
8 × ( 5 × x - 58 ) = 656
5 × x - 58 = 656 : 8
5 × x - 58 = 82
5 × x = 82 + 58
5 × x = 140
x = 140 : 5
x = 28