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28-9X=-12-11X How would you answer that?

28-9X=-12-11X How would you answer that?
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1 vote
28-9X=-12-11X

How would you answer that?

User Cuca
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1 Answer

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28-9x=-12-11x \\\\ -9x+11x=-12-28 \\\\ 2x=-40 \\\\ \boxed{x=-(40)/(2)=-20}
User Simbian
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