Q4 of 65 Page 10

Let us solve :

Let 2x + 1 = y








For y = 3,


2x + 1 = 3


⇒ 2x = 3-1


⇒ 2x = 2


⇒ x = = 1


For y = 1,


2x + 1 = 1


⇒ 2x = 1-1


⇒ 2x = 0


⇒ x = 0


So, x = 1 or x = 0


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