Найти корень уравнения (63-5х):а=6 при а=3, b:(38х-95)=7 при b=133
63 - 5x = 6a 5x = 63 - 6a 5x = 63 - 6*3 5x = 63 - 18 5x = 45 x = 45 : 5 x = 9 2) 38x - 95 = b : 7 38x - 95 = 133 : 7 38x - 95 = 19 38x = 19 + 95 38x = 114 x = 114 : 38 x = 3