2/5x-7/20x=4

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Solution for 2/5x-7/20x=4 equation: 


x in (-oo:+oo)

(2/5)*x-((7/20)*x) = 4 // - 4

(2/5)*x-((7/20)*x)-4 = 0

(2/5)*x+(-7/20)*x-4 = 0

1/20*x-4 = 0 // + 4

1/20*x = 4 // : 1/20

x = 4/1/20

x = 80

x = 80

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