👤

37/18-5/18egal x-21/18

Răspuns :

37/18-5/18=x-21/18
x-21/18=32/18
x=32/18+21/18
x=53/18
x=2,94
37/18 - 5/18 = x - 21/18     (numitorul comun este 18)

37 - 5 = 18x - 21
32 = 18x-21
18x = 53
x = 53/18
x=2,94444=2,9(4)