2/5x+7=15

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Solution for 2/5x+7=15 equation: 


x in (-oo:+oo)

(2/5)*x+7 = 15 // - 15

(2/5)*x-15+7 = 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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