The answer is
<span>2 x minus 20 divided by 3 = 2x
equivalent of </span><span>
</span>(2 x -20) / 3 = 2x
for solving it, <span><span>(2 x -20) = 2x . (3) is sufficient
</span> </span>
so <span>2 x -20 = 6x </span><span> -20 = 6x - </span><span>2 x and -20 = 4x so x = -5</span>
Answer:
7. D. 130² ft.
8. She can feed 6 friends.
9. There are 7 trees in each row.
10. B. 490.
