2.1=a/7

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Solution for 2.1=a/7 equation: 


a in (-oo:+oo)

2.1 = a/7 // - a/7

2.1-(a/7) = 0

2.1-1/7*a = 0 // - 2.1

-1/7*a = -2.1 // : -1/7

a = -2.1/(-1/7)

a = 14.70000029

a = 14.70000029

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