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X= ? The trainable a below are similar
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X= ? The trainable a below are similar

X= ? The trainable a below are similar-example-1
User Wowsk
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(x + 7)/(3x + 3) = (19)/(38) \\ \Leftrightarrow (x + 7)/(3x + 3) = (1)/(2) \\ \Leftrightarrow 2x + 14 = 3x + 3 \\ \Leftrightarrow x = 11

User Jordan Smith
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