15a+4/5a-13/17a=12+9a-3a

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Solution for 15a+4/5a-13/17a=12+9a-3a equation: 


a in (-oo:+oo)

15*a+(4/5)*a-((13/17)*a) = 9*a-(3*a)+12 // - 9*a-(3*a)+12

15*a+(4/5)*a-((13/17)*a)-(9*a)+3*a-12 = 0

15*a+(4/5)*a+(-13/17)*a-9*a+3*a-12 = 0

768/85*a-12 = 0 // + 12

768/85*a = 12 // : 768/85

a = 12/768/85

a = 85/64

a = 85/64

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