[tex] \huge \rm{resposta:}~ \boxed{\rm{ \purple{x = - 831}}}[/tex]
[tex] \huge \red{ \boxed{ \rm{conta~armada}}}[/tex]
[tex] \huge\rm{2x + 280 \times 6 - 9 = 9 } \\ \huge \rm{2x + 1680 - 9 = 9 }\\ \huge \rm{2x + 1671 = 9} \\ \huge \rm{2x = 9 - 1671} \\ \huge \rm{ 2x = - 1662} \\ \huge \rm{x = - 831}[/tex]
[tex] \huge{espero \: ter \: ajudado }[/tex]
Assinado ⤵
[tex] \huge \boxed{\boxed{ \boxed{ \pink{\rm{maria} \mathfrak{365200}}}}}[/tex]
