Question

21=3x fazer e colocar os calculos pfvr​

Answer 1

Explicação passo-a-passo:

$\color{violet}{\Large\bf{21 = 3x}}$

$\color{violet}{\Large\bf{3x = 21}}$

$\color{violet}{\Large\bf{x = \frac{21}{3} }}$

$\color{violet}{\Large\bf{x = 7}}$

$\green{ \boxed{{\mathbb{ATT: ARMANDO}}}}$

Answer 2

Resposta:

21= 3x

3x=-21

x= -21/3

x= -7

espero ter ajudado