The answer is 20/26 but it could also be 10/13 when simplified
X = 4
7(4)+14-3(4)=30
7(-11)+14-3(-11)=-30
So, 4 is the answer because when substituted for X, it gives you 30.
As all real number I think
Answer:

Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above
solve for t
Simplify
Apply log both sides
Apply property of logarithms

Answer:
Add the 2 numbers up together. Thatś how I have learned to do it anyway. maybe someone else has something different.
Step-by-step explanation: