-2/5+7x=31/10

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Solution for -2/5+7x=31/10 equation: 


x in (-oo:+oo)

7*x-2/5 = 31/10 // - 31/10

7*x-2/5-(31/10) = 0

7*x-2/5-31/10 = 0

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

7*x = 7/2 // : 7

x = 7/2/7

x = 1/2

x = 1/2

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