Question

4x + 2y = 10. Quando x = 2 o y é?

Answer 1

Resposta:

4x + 2y = 10

2x + y = 5

4 + y = 5

y = 1

Answer 2

Resposta$~\large \rm{\to{y = 1}}$

$~~~~\purple{ \huge \rightarrowtail \rm{conta~armada}}$

$\purple{\huge\boxed{\begin{array}{c} \rm{4x + 2y = 10} \\ \rm{4 \times 2 + 2y = 10} \\ \rm{8 + 2y = 10}\\ \rm{2y = 10 - 8} \\ \rm{2y = 2}\\ \rm{y = 1}\\ \end{array}}}$

$\huge \blue{ \boxed{ \boxed{ \rm{Little~Diamond}}}}$