Solve the following algebraic expression-
9x + 5 - [4x - {3x - 2(4x - 3)}].

12x + 11

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9x + 12

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6x + 13

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Solution

The correct option is B 11
9x + 5 - [4x - {3x - 2(4x - 3)}]
= 9x + 5 - [4x - (3x - 8x + 6)]
= 9x + 5 - [4x - (-5x + 6)]
= 9x + 5 - (4x + 5x - 6)
= 9x + 5 - 9x + 6
= 11

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Solve the following equations and verify your answer :

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