Step-by-step explanation:
sum of 5 times a number and -2, + 8n
becomes:
5n + (-2) + 8n, or
5n -2 +8n, or. 13n - 2
Yes you do need to regroup it would be 4
Answer:
The variable d stands for how many calories she used.
Step-by-step explanation:
the problem says that she uses 1 calorie per minute while walking, and then it says that she walked 12 minutes. 12×1= 12 calories
d=12 calories which equals to the 12 minutes she walked
16*x=4 also if u dont understand *=division
