Answer:
Step-by-step explanation:
-12 = 3/4n + 8....subtract 8 from both sides
-12 - 8 = 3/4n
-20 = 3/4n.....multiply both sides by 4/3, cancelling the 3/4 on the right
-20 (4/3) = n
-80/3 = n
ur answer is A
Answer:
100 N to the left
Step-by-step explanation:
They have to be equal and opposite to balance, so they will need a force of 100 N to the left