Respuesta :

Answer:

[tex]w=7[/tex]

Step-by-step explanation:

[tex]-3w+7 = -9w+49[/tex]

Subtract 7 from bothe sides and add 9w on. bothe sides:

[tex]6w=42[/tex]

Divide by 6:

[tex]w=7[/tex]

Otras preguntas