1 / 3 + 3 / 4×(x + 2 / 3 = 13 / 12?
1 / 3 + 3 / 4×(x + 2 / 3 = 13 / 12.
9Ignacioarevalo
1 / 3 + 3 / 4×(x + 2 / 3 = 13 / 12.
En resumen
1 / 3 + 3 / 4x + 1 / 2 = 13 / 12 3 / 4x = 13 / 12 - 1 / 2 - 1 / 3 3 / 4x = (13 - 6 - 4) / 12 3 / 4x = (13 - 10) / 12 3 / 4x = 3 / 12 3 / 4x = 1 / 4 x = (1 / 4) / (3 / 4) x = 4 / 12 x = 1 / 3 : ).
Liriomichu1996
1 / 3 + 3 / 4x + 1 / 2 = 13 / 12
3 / 4x = 13 / 12 - 1 / 2 - 1 / 3
3 / 4x = (13 - 6 - 4) / 12
3 / 4x = (13 - 10) / 12
3 / 4x = 3 / 12
3 / 4x = 1 / 4
x = (1 / 4) / (3 / 4)
x = 4 / 12
x = 1 / 3 : ).