(7a+1)/2=18

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Solution for (7a+1)/2=18 equation: 


a in (-oo:+oo)

(7*a+1)/2 = 18 // - 18

(7*a+1)/2-18 = 0

(7*a+1)/2+(-18*2)/2 = 0

7*a-18*2+1 = 0

7*a-35 = 0

(7*a-35)/2 = 0

(7*a-35)/2 = 0 // * 2

7*a-35 = 0

7*a-35 = 0 // + 35

7*a = 35 // : 7

a = 35/7

a = 5

a = 5

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