Respuesta :

13 - No

7 - No

74 - No

10 - Yes

u + 32 = 42

u + 32 - 32 = 42 - 32

u = 10

The left side 42  is equal to the right side 42, which means that the given statement is always true

13-no
7-no
74-no
10- yes because the difference of 42 and 32 is 10