((2/7)x)-1=3 - solution

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Solution for ((2/7)x)-1=3 equation:

x in (-oo:+oo)

(2/7)*x-1 = 3 // - 3

(2/7)*x-3-1 = 0

2/7*x-4 = 0 // + 4

2/7*x = 4 // : 2/7

x = 4/2/7

x = 14

x = 14

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