Answer:
you want to isolat U on one side, so subtract 9/-4 from both sides to end up with (9/-4) - 9 = u, then solve. (9/-4)-9 = -11.25, so -11.25 = u
Answer:
18x5
Step-by-step explanation:
all you have too do is multiply 18x5 witch you will get 90
Answer:
4
Step-by-step Explanation: