✅ Após resolver a equação do primeiro grau, concluímos que o valor de "x" é:
[tex]\Large\displaystyle\text{$\begin{gathered}\boxed{\boxed{\:\:\:\tt x = -6\:\:\:}}\end{gathered}$}[/tex]
Se a equação dada é:
[tex]\Large\displaystyle\text{$\begin{gathered}\tt-2(x - 3) = 18 \end{gathered}$}[/tex]
A resolução da referida equação é:
[tex]\Large\displaystyle\text{$\begin{gathered}\tt-2(x - 3) = 18 \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered}\tt-2x + 6 = 18 \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered}\tt-2x = 18 - 6 \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered}\tt-2x = 12 \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered}\tt x = -\frac{12}{2} \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered}\tt x = -6 \end{gathered}$}[/tex]
✅ Portanto, o valor de "x" é:
[tex]\Large\displaystyle\text{$\begin{gathered}\tt x = -6 \end{gathered}$}[/tex]
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