Question

Equação de 1° Grau

3x - 2 = x + 12 =​

Answer 1

Resposta:  7

Explicação passo a passo:

3x-2=x+12

3x-x=12+2

2x=14

x=14/2

c=7

Answer 2

$\Large\displaystyle\begin{gathered} \sf{3x-2=x+12 } \end{gathered}$

$\Large\displaystyle\begin{gathered} \sf{3x-x=12+2 } \end{gathered}$

$\Large\displaystyle\begin{gathered} \sf{2x=14 } \end{gathered}$

$\Large\displaystyle\text{ \begin{gathered} \boxed{\boxed{\sf{x=7}} } \end{gathered} }$