2. How can you isolate the variable in this equation? -2n= 12 A. Add 2to 12
B. Add 2to both sides.
C. Divide both sides by 2.
D. Divide both sides by -2.

D

Step-by-step explanation:

-2/-2 = 1

2 negatives make a positive.

this is not the answer this is just a question. is this middle school math?

step-by-step explanation:

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.