2/5-3/4a-a=13/120

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Solution for 2/5-3/4a-a=13/120 equation: 


a in (-oo:+oo)

2/5-((3/4)*a)-a = 13/120 // - 13/120

2/5-((3/4)*a)-a-(13/120) = 0

(-3/4)*a-a+2/5-13/120 = 0

7/24-7/4*a = 0 // - 7/24

-7/4*a = -7/24 // : -7/4

a = -7/24/(-7/4)

a = 1/6

a = 1/6

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