Respuesta :

Answer:

-8

Step-by-step explanation:

(-3m*3+5*12+2m*4)/12=3{taking LCM 12 by multiply 4&3}

-9m+60+12m=3*12

3m+60=36

3m=36-60

3m= -24

M= -24/3

M= - 8

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