Question 86012
Given:
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{{{x/18+3x/18}}}
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Unless you made a mistake copying or interpreting the problem, your answer is correct.
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The above expression becomes {{{4x/18}}} and this simplifies to {{{2x/9}}}
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Hope this "confidence builder" helps you to find the problem that led you to believe that
you had made a mistake when you really were correct.