2/5x-1=7

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Solution for 2/5x-1=7 equation: 


x in (-oo:+oo)

(2/5)*x-1 = 7 // - 7

(2/5)*x-7-1 = 0

2/5*x-8 = 0 // + 8

2/5*x = 8 // : 2/5

x = 8/2/5

x = 20

x = 20

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