I don't understand your question
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Answer: If you are little you can use you fingers but if you are older you can try to write it down.
Step-by-step explanation:
You draw a line and then a = and another line on another side
like this but bigger ––=––
Answer:
first you add the 2x and the 3x together then when you get your answer when you add them then you dived your answer and the 15 together
Step-by-step explanation:
hope this helps i didn't put the answers cause i didn't think you wanted them cause all you put was how do i find x