x=(k-c)/6
6x+c=k
subtract c from both sides
6x=k-c
divide by 6 on both sides
x=(k-c)/6
Answer:
-4x+7= -21
-4x= -21-7( this positive 7 will change to negative as we take in other side )
-4x = -28
Both the negative will be cancelled
4x = 28
x = 28/4
X = 7
therefore the X value is 7
Answer:
After 1 year: $306
After 2 years: $312.12
Step-by-step explanation:
Use the formula 300 x 
t = no of years
So, Deposit x interest rat
I think it's true because its the same data set just put in order backwards.
Hope this helps!! :-)