Question

resolva as equação
3x+3=12​

Answer 1

Resposta:

3x=12-3

3x=9

x=9÷3

x=3

Answer 2

$\color{blue}{3x+3=12}\\\color{blue}{3x=12-3}\\\color{blue}{3x=9}$

$\color{blue}{x=\frac{9}{3}}$

$\colorbox{blue}{\color{white}{x=3}\color{green}{\checkmark}}$