Resposta :
[tex]\tt7 - 13 = - 6. \\ \\ \tt \: - 6 + 13 = 7 . \\ \\ \boxed{ \tt\frac{BURNS}{answers}}[/tex]
[tex]\huge \: \bf \: 7 - 13 = - 6 \\ \\ \huge \boxed{ \boxed { \boxed{ \boxed{\huge \huge \red{ \: \bf - 6 + 7 = 13}}}}}[/tex]
[tex]\tt7 - 13 = - 6. \\ \\ \tt \: - 6 + 13 = 7 . \\ \\ \boxed{ \tt\frac{BURNS}{answers}}[/tex]
[tex]\huge \: \bf \: 7 - 13 = - 6 \\ \\ \huge \boxed{ \boxed { \boxed{ \boxed{\huge \huge \red{ \: \bf - 6 + 7 = 13}}}}}[/tex]