I suppose the answer is b. Graph the system to show all possible solutions
I agree with the other answer however the first equation would need to be
Y=-1X-10
Answer:
It is a well formed formula
Step-by-step explanation:
1 - p,q,r are well formed formulas.
2 - is a well formed formula as well.
3 - is a well formula as well
4 - is a well formula as well.
Subtract 7 from each side
x=12