The best way I can explain the elimination method is, it's a method where you either add or subtract equations in order to get rid of a variable.
ANSWER

EXPLANATION
According to the power property of logarithms:

The given logarithm is

When we apply the power property to this logarithm, we get,

The base of 6 is the same, so add 1/2+1/2 =1
6^1 = 6
3x+12=39
Minors 12 on both side
3x=27
Divide 3 on both side
X=9
Answer:
converges
Step-by-step explanation:
well the two polynomials in the series are 1 and n^8 (I'm assuming the +7 is not in the decimal but it seems to not matter). The degree of the polynomial 1 is 0 which can be represented by 1x^0. The second polynomial in the denominator has a degree of 8. So j = 0 and k = 8. Since 0 < (8-1)
0 < 7 the series converges