Question

3x=x+8 respondem aí pfvr​

Answer 1

$\Large\boxed{\begin{array}{l}\underline{\rm 1^o\,m\acute etodo:}\\\sf 3x=x+8\\\sf 3x-\boxed{\sf x}=\backslash\!\!\!x-\boxed{\sf \backslash\!\!\!x}+8\\\sf 2x=8\\\sf\dfrac{\backslash\!\!\!2x}{\boxed{\sf\backslash\!\!\!2}}=\dfrac{8}{\boxed{\sf 2}}\\\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=4}}}}\end{array}}$

$\Large\boxed{\begin{array}{l}\underline{\rm 2^o~m\acute etodo:}\\\sf 3x=x+8\\\sf 3x-x=8\\\sf 2x=8\\\sf x=\dfrac{8}{2}\\\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=4}}}}\end{array}}$

Answer 2

Resposta:

x=4

Explicação passo a passo:

3x=x+8

3x-x=8

2x=8

x=8/2

x=4