2/5x+y=7

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


x in (-oo:+oo)

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

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

2/5*x+y-7 = 0 // - y-7

2/5*x = -(y-7) // : 2/5

x = (-(y-7))/2/5

x = 5/2*(7-y)

x = 5/2*(7-y)

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