Question

(x+3)=2/5=
Qual é o valor da resposta ?

Answer 1

$x+3=\frac{2}{5}\\ \\ 5(x+3)=2\\ \\ 5x+15=2\\ \\ 5x=2-15\\ \\ 5x=-13\\ \\ x=-\frac{13}{5}$

Answer 2

$(x+3) = \dfrac{2}{5} \to~~~~ multiplique~~cruzado:\\\\ 5x + 15 = 2 \to\\\\ 5 = 2-15\to\\\\ 5x = -13\to\\\\ \boxed{x = - \dfrac{13}{5} }$