What is the value of x?

I believe the answer is x = 3. The 14 is twice x + 1 and the 21 is three times the amount of x.

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

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3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

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step-by-step explanation: