Answer:
or 
Given expression:
Simplify it in steps below:
<u>Used properties:</u>



Answer:
76
Step-by-step explanation:because its the answer
Answer:
The solutions of the system of equations are the points
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
substitute equation B in equation A

solve for x


The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
----->
----->
<em>Find the values of y</em>
For
---->
For
---->
therefore
The solutions of the system of equations are the points
Answer:
<h2>question is not up down this is incorrect questions</h2>