1.4

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University of California, Berkeley *

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N54

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Mathematics

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Apr 3, 2024

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docx

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R DT Question and Solution Template Learning Attribute(s) Included in Question: 1.4.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters. Calculator Active? No Question: Which value of x satisfies following linear equation? 7 x=21 A. x=7 B. x=3 C.x=—7 D.x=-3 Equation Upload (Please write the text of the question along with the LaTeX Code): Which value of x satisfies following linear equation? $7x=21% A. $x=7% B. $x=3% C. $x=-7%

D. $x=-3% Correct answer: B On a scale of 1-10, how difficult would you estimate your question to be (1=easy, 10=extremely difficult): 2 Solution: Step 1: Apply multiplicative inverse to solve for x. Equation Upload (Please write the text of the question along with the LaTeX Code): \textbf{Step 1}: . Apply multiplicative inverse to solve for x. $$\frac{7x}{7}=\frac{21}{7}$$ $$x=3%$%

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1.4

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