2=z/4-1

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Solution for 2=z/4-1 equation: 


z in (-oo:+oo)

2 = z/4-1 // - z/4-1

1-(z/4)+2 = 0

3-1/4*z = 0 // - 3

-1/4*z = -3 // : -1/4

z = -3/(-1/4)

z = 12

z = 12

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