Respuesta :
1/2a - 7 + 1/2 a = 1/3
1/2a + 1/2a = 1/3 + 7
2/2a = 22/3
a = 22/3
1/2a + 1/2a = 1/3 + 7
2/2a = 22/3
a = 22/3
I have attempted to calculate this and I have came up with
1a = -6.7
1a = -6.7