Answer:
3000
Step-by-step explanation:
640x3 = 1920
90x12 = 1080
-2x+9. just distribute a -1
To find the answer to -10x=-210 you must divide -210 by -10
-210/-10= 21
Therefore x=21
So the proper equation is -10(21)=-210
50% because of your question so the answer is 50%