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Sarath KCM
Hmm. What's 8 ÷ 2x when x = 4?
Caleb H.
Co-founder of High/Low
8 ÷ 2 * 4 = 4 * 4 = 16
Same thing; the psychological effect.
Not a psychological effect. 2x is a single term. You can write it as 2 * x but then you should wrap it in paranthesis if you are replacing it in an expression. When you expanded the expression by adding just a *, you actually changed the expression.