Respuesta :

Answer:

Explanation:

Given the equation:

[tex]7x+7=-14[/tex]

First, subtract 7 from both sides:

[tex]\begin{gathered} 7x+7-7=-14-7 \\ 7x=-21 \end{gathered}[/tex]

Next, divide both sides by 7:

[tex]\begin{gathered} \frac{7x}{7}=-\frac{21}{7} \\ x=-3 \end{gathered}[/tex]

The solution of the equation on the number line is shown below: