Respuesta :

23x+5=64x−7
64x - 23x = 5+7
41x = 12
    x = 12/41
23x+5 = 64x-7
 add 7 to both sides

23x+12 = 64x
 subtract 23x from each side

12 = 41x

divide both sides by 41

x = 12/41 
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