Question

Qual o valor da equação 4+2×=20

Answer 1

4 + 2x = 20

2x = 20 - 4

2x = 16

x = 16

-----

2

x = 8

Answer 2

$\Large\boxed{\begin{array}{l} \rm{4 + 2x = 20} \\ \\ \rm{2x = 20 - 4} \\ \\ \rm{2x = 16} \\ \\ \rm{x = \dfrac{16}{2}} \\ \\ \boxed{ \boxed{ \rm{x = 8}}} \end{array}}$