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Can i get help from 1 to 4 plz, solve for 40 points :D

Can i get help from 1 to 4 plz, solve for 40 points :D-example-1
User Artemnih
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1 Answer

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For 1 and 2 substitute the input for x and then solve and that answer will be the output.

For 3 and 4 you have to play around with the numbers to see if they will make a true statement
User Hassana
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