Respuesta :

Wallind11

Step-by-step explanation:

[tex]45m - 900 = 90m \: [/tex]

[tex]45m - 90m = 900[/tex]

[tex] - 45m = 900[/tex]

[tex]m = \frac{900}{ - 45} = - 20[/tex]

isabellanazari

Answer:

m=-20

Step-by-step explanation:

45m -900=90m

-900=45m

-900/45=45m/45

m=-20

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