15/21a-12

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Solution for 15/21a-12 equation: 


a in (-oo:+oo)

(15/21)*a-12 = 0

5/7*a-12 = 0 // + 12

5/7*a = 12 // : 5/7

a = 12/5/7

a = 84/5

a = 84/5

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