X/-3 = 12 + x
x = -36 - 3x
4x = 36
x= = 9
The number is 9.

We're dividing fractions, so we will flip the one in the denominator upside down and we will multiply it with the numerator.

Let's equal this too 8/x

Cross multiply.

Divide both sides by 15.
6 + (-3) would be the same as just saying 6-3 which would be equal to positive 3
<span>The infinite growth of the trees is represented by ∑ form n = 1 to infinity of 200(1.2)^n.
The sum is cannot be found because the series is divergent.
</span>
Mean=8.1 (add all numbers and divide by how many there r)
Median=9.25 (place all numbers in a chronological line and find the middle value)
Mode=9.2 (value that appears the most)
Range=10.5 (10.5-0)