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PLEASE Answer!!!! What is 14-x=21 what does x equal.

User Fluffhead
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14-x=21\ \ \ |subtract\ 14\ from\ both\ sides\\\\-x=7\ \ \ |change\ signs\\\\\boxed{x=-7}


check:\\\\L_s=14-(-7)=`14+7=21=R_s
User Aleya
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