Respuesta :
Answer:
3 - (-7)
= 3 + 7.
Step-by-step explanation:
A double negative is equivalent to a plus.
Subtraction a negative number is the same thing as adding a positive number.
3 - (-7) = 3 + 7
An addition expression is equivalent to 3 - (-7) is [tex]\Large\boxed{\mathsf{3~+~7}}[/tex]
Hope This Helped! Good Luck!