180-116=54
90-53=37
90-54=36
180-(36+37)=180-73=107
x=107
Sorry if it is a wrong answer, but i tried, i think it is right
Substitute 1 for x in each of your equations.
f(x)=7-3x
which is
f(1)=7-3(1)
=3
Do the same for g(x)
g(x)=3x-7
which is
g(1)=3(1)-7
=-4
Then subtract g(x) from f(x):
3-(-4)
=7
:)
Taking "
" as common from first two terms and "
" from last two terms, we have
Taking the factor 
as common,
Answer:
16
Step-by-step explanation:
Median means the middle number. So you can look at it like this:
<em>a,b,</em> 20, <em>c,d</em>
Those are the variables for the numbers we do not know. We do know that they are all even numbers and they are consecutive, meaning in sequence. So if they are all even, then there should be a gap of 2 between each. They should also be in order. Knowing that, you can subtract 2 from 20 to get b, subtract 2 from b to get a, add 2 to 20 to get c, and add 2 to c to get d.
This should be your answer:
16, 18, 20, 22, 24
Consecutive, and even.
