Answer:

Step-by-step explanation:

Answer:
k=2.1
Step-by-step explanation:
7/10k=21
x7 x7 Multiply seven from each side of the equation.
10k=21
/10 /10 Divide ten from each side of the equation. 21/10=2.1
k=2.1
9514 1404 393
Answer:
300 g
Step-by-step explanation:
The problem statement tells us ...
36g = 0.12×d . . . . . where d represents the daily value
36g/0.12 = d = 300g . . . . divide by the coefficient of d
300 g of carbohydrates per day are recommended.
Answer:
I think it's -14
Step-by-step explanation:
x = 0 so the x won't be included but
-2 • x = -2x
-12 • x = -12x
-2x + (-)12x = -14
hope this helps :)