Answer:
n=3
Step-by-step explanation:
combine like terms
put 5n to the other side by subtracting it
4n-7=5
no add 7 to other side
4n=12
divide 4 by the 12
n=3
The correct answer is1D k 2D k 3Dk
Answer:
48√7
Step-by-step explanation:
The answer is a variable.