Respuesta :
if 6+t ≤13, then t ≤ 7
6 + t ≤ 13
-6 -6
t ≤ 7
When subtracting 6 from positive 6 they cancel out leaving t. Then 13 - 6 = 7.
6 + t ≤ 13
-6 -6
t ≤ 7
When subtracting 6 from positive 6 they cancel out leaving t. Then 13 - 6 = 7.