Решите плес (6.227-3х):0.08+16.4=90

(6,227-3х)+0,8+16,4=90(6227/1000 - 3х) : 2/25 + 82/5 = 90(6227/1000-3х) * 25/2 + 82/5 = 906227/80 - 75/2х + 82/5 =907539/80 - 75/2х = 907539 - 3000х = 7200-3000х -7200 - 7539-3000х = -339х = -3000: (-339)х = 113/1000 x = 0,113

(6,227-3х):0,08+16,4=90(6,227-3х):0,08=90-16,4(6,227-3х):0,8=73,66,227-3х=73,6•0,86,227-3х=58,883х=6,227-58,883х=-52,653х=-17,551