6a-18/7a-21

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Solution for 6a-18/7a-21 equation: 


a in (-oo:+oo)

6*a-((18/7)*a)-21 = 0

6*a+(-18/7)*a-21 = 0

24/7*a-21 = 0 // + 21

24/7*a = 21 // : 24/7

a = 21/24/7

a = 49/8

a = 49/8

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