Question

If 3x+1=9x-3,find the value of 2 1+x

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Answer 1

Step-by-step explanation:

3x+1=9x-1

or, 3x-9x=-3-1

or, -6x= -4

or, x=2/3

21+x

=21+2/3

=(63+2)/3

=65/3

Answer 2

3x+1=9x-3

3x-9x= -3-1

-6x = -4

x= 4/6

x= 2/3

hence the value of

21+x = 21+2/3 = 63+2/3 = 65/3