7a/30=4

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Solution for 7a/30=4 equation: 


a in (-oo:+oo)

(7*a)/30 = 4 // - 4

(7*a)/30-4 = 0

7/30*a-4 = 0 // + 4

7/30*a = 4 // : 7/30

a = 4/7/30

a = 120/7

a = 120/7

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