Question

17y- [(y + 4) - (2y - 9)] = 77​

Answer 1

Respuesta:

y es igual a 5

Explicación paso a paso:

17y - [(y + 4) - (2y - 9)] = 77

17y - [y + 4 - 2y + 9] = 77

17y - [- y + 13] = 77

17y + y - 13 = 77

18y - 13 = 77

18y = 77 + 13

18y = 90

y = 90 / 18

y = 5