Question

решите уравнение плиизз. x+2/15+5/30=47/90

Answer 1

x + 2/15 + 5/30 = 47/90
x + 2/15 =47/90 - 5/30     | 47/90 - 5/30(3) = 47/90 - 15/90 = 32/90 = 16/45
x + 2/15 = 16/45
x = 16/45 - 2/15               | 16/45 - 2/15(3) = 16/45 - 6/45 = 10/45 = 2/9
x= 2/9