2/5a-42

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Solution for 2/5a-42 equation: 


a in (-oo:+oo)

(2/5)*a-4 < 2 // - 2

(2/5)*a-4-2 < 0

2/5*a-6 < 0 // + 6

2/5*a < 6 // : 2/5

a < 6/2/5

a < 15

a in (-oo:15)

(-oo:15)

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