1) (63-5*3)/a = 6(63-15)/a = 648/a = 6a = 48/6a = 8
2) b/(38х-95) = 7133/(38х-95) = 738х-95 = 133/738х-95 = 1938*х = 114х = 114/38х = 3
3) 15x(53-8x) = 7515x53 - 15x8x = 75795x - 120x^2 = 75120x^2 - 795x + 75 = 0При решении этого уравнения получаем x ≈ 0.06 или x ≈ 5.95
4) (6x-29)x8 = 10448x - 29x = 10419x = 104x = 104/19x ≈ 5.47
1) (63-5*3)/a = 6
(63-15)/a = 6
48/a = 6
a = 48/6
a = 8
2) b/(38х-95) = 7
133/(38х-95) = 7
38х-95 = 133/7
38х-95 = 19
38*х = 114
х = 114/38
х = 3
3) 15x(53-8x) = 75
15x53 - 15x8x = 75
795x - 120x^2 = 75
120x^2 - 795x + 75 = 0
При решении этого уравнения получаем x ≈ 0.06 или x ≈ 5.95
4) (6x-29)x8 = 104
48x - 29x = 104
19x = 104
x = 104/19
x ≈ 5.47