Respuesta :

[tex]\begin{gathered} 17\frac{3}{4}=x+6.42+7.05 \\ 17\frac{3}{4}=x+13.47 \\ x=17\frac{3}{4}-13.47 \\ 17\frac{3}{4}=17.75 \\ x=17.75-13.47 \\ x=4.28 \\ \text{The value of x is }4.28^{\doubleprime} \end{gathered}[/tex]

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