Respuesta :

hussali838

11x+3

iam not sure check with another guy but i got this

[tex]\\ \tt\hookrightarrow 7x+4+4x+9=90[/tex]

[tex]\\ \tt\hookrightarrow 11x+13=90[/tex]

[tex]\\ \tt\hookrightarrow 11x=77[/tex]

[tex]\\ \tt\hookrightarrow x=7[/tex]

  • m<A=7(7)+4=49+4=53