1.

3x + 7 = – 20, x = ……………….. A) – 3 B) – 91 C) – 4 D) – 9

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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