Answer:
answer is 1
Step-by-step explanation:
just did test on edge
Remember, -(-x)=x because the negatives cancel out
so
when p=-6 and q=7
p+(-q)-3
-6+(-7)-3
-6-7-3
-13-3
-16
Not sure but It should be -4/1
<h3>
<u>Explanation</u></h3>
- Given the system of equations.

- Substitute x = 4 in the first equation.

We have both x and y values. Therefore, we can answer in coordinate point form.
<h3>
<u>Answer</u></h3>
<u>
</u>
7 and 20 are relatively prime (no common factor)