Mathematics
Solve for x :
(49)x + 4 = 72 × (343)x + 1
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Answer
Given,
⇒ (49)x + 4 = 72 × (343)x + 1
⇒ (72)x + 4 = 72 × (73)x + 1
⇒ 72(x + 4) = 72 × 73(x + 1)
⇒ 72x + 8 = 72 × 73x + 3
⇒ 72x + 8 = 72 + 3x + 3
⇒ 2x + 8 = 3x + 5
⇒ 3x - 2x = 8 - 5
⇒ x = 3.
Hence, x = 3.
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