Respuesta :

akhil9553386

Step-by-step explanation:

[tex]4x \: + 5x \: = 180 \\ 9x \: = 180 \\ x = \frac{180}{9} \\ x \: = 20 \\ 4x = > 4(20) = 80 \\ 5x = > 5(20) = 100 \\ therefore \: 4x \: = 80 \: and \: 5x \: = 100[/tex]

Otras preguntas