14x - 3 = 7 + 4x 14x - 4x = 7 + 3 10x = 10 Me: "SO what is x?" SS: "Zero?" Me: "Don't guess. Think!" SS: "Urm...." Me: "How do you isolate the variable?" read more
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Posted
Dec 04 2013, 08:20 AM
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Step Talk