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I don’t know how to do this,someone please help,and explain maybe

I don’t know how to do this,someone please help,and explain maybe-example-1
User Cleiton
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Answer:

I can explain. look at variables (letters) ..7,2,3 in back of numbers. With this numbers it's an x. In front of 7x its a - or +. It tells you to either subtract or add...7x°-2x°+2x°-3. Start with 7x minus 2°, minus 2°, plus two & at end subtract 3

User Mushrankhan
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