nickdaurelio2
nickdaurelio2
11-05-2018
Mathematics
contestada
Anyone know the answer?
Respuesta :
gmany
gmany
11-05-2018
21x - 19 = 3x + 17 |add 19 to both sides
21x = 3x + 36 |substract 3x from both sides
18x = 36 |divide both sides by 18
x = 2
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