Resposta :
[tex]168 = 2x \: . \: 3 \: . \: 7 \\ 168 = 42x \\ 42x = 168 \\ x = \frac{168}{42} \\ \boxed{\boxed{\boxed{ x= 4}}} \\ [/tex]
att. yrz
[tex]168 = 2x \: . \: 3 \: . \: 7 \\ 168 = 42x \\ 42x = 168 \\ x = \frac{168}{42} \\ \boxed{\boxed{\boxed{ x= 4}}} \\ [/tex]
att. yrz