Question

12. Resolva cada equação:
A) 3(x + 3) - 1 = 2​

Answer 1

→ Cálculo :

⇔ O  valor de X = -2

$\large \boxed{\begin{array}{lr} {3(x+3)-1=2}\\\\{3x+9-1=2} \\ \\ { 3x+8=2}\\\\{3x=2-8}\\\\{3x=-6} \\\\{x=-6\div3}\\ \\ \boxed{\red{x=-2}} \Leftrightarrow {\rm \ Resposta} \\ \end{array}}$