Solve for x :
34x + 1 = (27)x + 1
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Given,
⇒ 34x + 1 = (27)x + 1
⇒ 34x + 1 = (33)x + 1
⇒ 34x + 1 = 33(x + 1)
⇒ 34x + 1 = 33x + 3
⇒ 4x + 1 = 3x + 3
⇒ 4x - 3x = 3 - 1
⇒ x = 2.
Hence, x = 2.
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22x + 1 = 8
25x - 1 = 4 × 23x + 1
(49)x + 4 = 72 × (343)x + 1