we just have to find x
so,
20-x=6
do it like this
-x = 6-20
-x = -14
x = 14 is the write answer
Answer:
Step-by-step explanation:
2x6²( = 2x36 ) = 72
Answer:
51
Step-by-step explanation:
A = Surface area of the Earth = 
Total number of people on Earth = 7.594 billion as of 2018 = 
We need to find the number of people living in each square km of land area.
So, we need to divide the number of people by the land area of the Earth.



So, 51 people will inhabit each square km of land area.
Answer:
3
Step-by-step explanation:
subtract 3y from both sides
add 9 to both sides
3y=12x+9
divide everything by 3
y=4x+3
y-intercept is 3
Answer:
a + a + a = 3a
Step-by-step explanation:
let me know if there is more to the question