Answer:
12
Step-by-step explanation:
4y - 2x 
= 4(7) - 2(8)
= 28 - 16
= 12
 
        
             
        
        
        
        
The population of the group in 2019 is 2,134,000 people
Let P represent the population in thousands of people in the year t after 2011
Given the equation:

a) The population of the group in 2019, that is t = 8(2019 - 2011):

b) The population of the group in 2029, that is t = 18(2029 - 2011):

The population of the group in 2019 is 2,134,000 people
Find out more on equation at: brainly.com/question/2972832
 
        
             
        
        
        
I think your answer is 11 hope. i helped bye