2x/5-1=7

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


x in (-oo:+oo)

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

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