Answer :
We are given an equation [tex]14x+312=2(12x+34)[/tex]. Let's solve it!
[tex]14x+312=2(12x+34)[/tex]
[tex]14x+312=24x+68[/tex]
[tex]14x+244=24x[/tex]
[tex]244=10x\implies x=\frac{244}{10}[/tex]
[tex]\boxed{x=24.4}[/tex]
The answer is not any out of given ones. It is 24.4