Answer:
x=-4
Step-by-step explanation:
x+(-3)=-7
x-3=-7
x=-7+3=3-7
x=-4
Answer:
a-50 b-300
Step-by-step explanation:
Answer:
I believe that It would be b
Answer:
<h3>-700</h3>
Step-by-step explanation:

Answer:
9 feet
Step-by-step explanation:
3X3=9 feet therefore 3 yards is equal to 9 feet