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The answer is x=7

Explanation:
Since you know w(x)=14 set 3x-7=14
Now you just solve for x

3x-7=14 add 7 to both sides
3x=21 divide both sides by 3
X=7

Brainliest my answer if this helped you?

The value of x is 7.

Given that,

  • The equation is w(x)=3x-7. If w(x)=14

Based on the above information, the calculation is as follows:

3x - 7 = 14

3x = 21

x = 7

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