I really want to help but i can’t i am on vacation
I have to say this is wrong because you subtracted 3 and 3 is the variable term. So what you need to do is to add 9 to both side to get 3x by it self. Then divide by 3 and then x=6
You will need to add 125 coins to get 500 coins from 375.
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Answer:
C
Step-by-step explanation:
I've done this and I got it right