Answer: y = 5 + 
Step-by-step explanation:
-4y + 2x = -20
Move the variable to the right
-4y = -20 - 2x
Divide Both sides
5 + 
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I have always followed an easy rule: "five or more raises the score". What it means is if the number is 5 or more, it goes to the next whole. Make sense?
Answer:
The Answer is C
Step-by-step explanation:
It's C for Apex
Answer:
There are two possibilities:
and 
and 
Step-by-step explanation:
Mathematically speaking, the statement is equivalent to this 2-variable non-linear system:


First,
is cleared in the first equation:

Now, the variable is substituted in the second one:

And some algebra is done in order to simplify the expression:


Roots are found by means of the General Equation for Second-Order Polynomials:
and 
There are two different values for
:






There are two possibilities:
and 
and 
Answer:
A discount of 24%
Step-by-step explanation:
100 x 0.8 x 0.95
=76