Respuesta :

the distributive property

Explanation

the distributive property states

[tex]a(b+c)=ab+ac[/tex]

then, replacing

[tex]\begin{gathered} 2(x+4)=2\cdot x+2\cdot4=2x+8 \\ 2(x+4)=2x+8\text{, true} \end{gathered}[/tex]

I hope this helps you