I gotchu.
<span>3x-9x+6=20-3x+4x
Combine like terms.
-6x+6=20+x
Bring x over to the left side.
-x -x
-7x+6=20
bring 6 to the right side.
-6 -6
-7x=14
Divide -7 on both sides to isolate x.
x= -2
CHECK
</span><span>3x-9x+6=20-3x+4x
-6(-2)+6=20+(-2)
18=18
ANSWER: x= -2</span>
Let
x--------> the number of sessions
y-------> the total payment
we know that
without membership:
--------> equation 
with membership:
--------> equation 
using a graph tool------> resolve the system of equations
see the attached figure
the solution is the point 
that means
For 
the cost is
in both forms
so
to justify buying the membership

therefore
<u>the answer is</u>

Step-by-step explanation:
The explanation and the graphical representation is attached
Answer:
-5x+ -35y
Step-by-step explanation:
-5x+ -35y
Step-by-step explanation:
The statement is 3 multiplied by 2/3. Here, the first no of 3 and the other one is 2/3.
It can be written as follows :

3 is present at the numerator as well as the denominator. It will cancel out.
So,
=2
So, 3 multiplied by 2/3 equals 2.