Respuesta :

mercvriii

Answer:

Equation: -6=-6-m-7m

Solution: m= 0

Equation: -1=-5x+3+3x

Solution: x=2

Equation: 2+5x-1=21

Solution: x= 4

Hope this helps! :)

Answer:

#1.  m=0

#2.  x=2

#3.  x=4

Step-by-step explanation:

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