If 3x + 1 = 9x - 2, the value of x is :
-5
5
0
3
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Given,
⇒ 3x + 1 = 9x - 2
⇒ 3x + 1 = (32)x - 2
⇒ 3x + 1 = 32x - 4
⇒ x + 1 = 2x - 4
⇒ 2x - x = 1 + 4
⇒ x = 5.
Hence, Option 2 is the correct option.
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Solve for x :
22x + 1 = 8