Resposta :
Substituimos o "x" por 10:
[tex]\boxed{ \begin{array}{lr} \\ \large \sf \: 2x + 8 \\ \\\large \sf \: 2 \cdot10 +8 \\ \\ \large \sf \:20 + 8 \\ \\ \large \sf \: = 28\\ \: \end{array}}[/tex]
➡️ Resposta:
[tex] \bullet \: \: \: \huge \boxed{ \boxed{ \sf \: 28}}[/tex]
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