Respuesta :
The answer is +7 because your “picking” up 7 coins. If it was negative you would “drop” the coins.
Answer: 0
Step-by-step explanation: -7 + 7
Keep Change Change
keep the -7 -7
change the addition to subtraction -7 -
change the 7 to a -7 -7 - -7
do the math -7 - -7 = 0