Question

o valos de X -1 + 12 = 7X - 25

Answer 1

x - 1 + 12 = 7x - 25

x + 11 =  7x - 25

x - 7x = -25 -11

-6x = -36

x = -36 / -6

x = 6

S = {6}

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16.02.2016 
Sepauto - SSRC
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