1/2x-1=7

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Solution for 1/2x-1=7 equation: 


x in (-oo:+oo)

(1/2)*x-1 = 7 // - 7

(1/2)*x-7-1 = 0

1/2*x-8 = 0 // + 8

1/2*x = 8 // : 1/2

x = 8/1/2

x = 16

x = 16

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