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3x + 7 = – 20, x = ……………….. A) – 3 B) – 91 C) – 4 D) – 9 |
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Answer» Correct option is D) – 9 Correct option is (D) –9 3x + 7 = –20 \(\Rightarrow\) 3x = -20 - 7 = -27 \(\Rightarrow\) x = \(\frac{-27}3\) = -9. |
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