y/2-1=3

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Solution for y/2-1=3 equation: 


y in (-oo:+oo)

y/2-1 = 3 // - 3

y/2-3-1 = 0

1/2*y-4 = 0 // + 4

1/2*y = 4 // : 1/2

y = 4/1/2

y = 8

y = 8

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