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प्रश्न
Solve : 3(2x + 1) - 2x+2 + 5 = 0.
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उत्तर
3(2x + 1) - 2x+2 + 5 = 0.
⇒ 3 x 2x + 3 - 2x x 22 + 5 = 0
⇒ 2x ( 3 - 22 ) + 8 = 0
⇒ 2x ( 3 - 4 ) = - 8
⇒ 2x x ( - 1 ) = - 8
⇒ 2x = 8
⇒ 2x = 23
⇒ x = 3
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