Respuesta :
-3 2/7 -(-5/7)
remember that two - makes a + so -(-5/7) is a positive.
2/7 + 5/7 = 7/7 = 1
1 - 3 = 2
remember that two - makes a + so -(-5/7) is a positive.
2/7 + 5/7 = 7/7 = 1
1 - 3 = 2