(2/5)x+7=9

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Solution for (2/5)x+7=9 equation: 


x in (-oo:+oo)

(2/5)*x+7 = 9 // - 9

(2/5)*x-9+7 = 0

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

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

x = 2/2/5

x = 5

x = 5

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