Respuesta :

Answer:

x = 13

Step-by-step explanation:

-6+12+3x=45

6+3x=45

6+3x-6=45-6

3x=39

x=13

Answer:

x = 13

Step-by-step explanation:

-6 + 3x + 12 = 45

-6 + 12 + 3x = 45

6+3x = 45

-6        -6

3x = 39

/3     /3

x = 13

Hope this helps :)

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