a/2.1=4.5

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Solution for a/2.1=4.5 equation: 


a in (-oo:+oo)

a/2.1 = 4.5 // - 4.5

a/2.1-4.5 = 0

0.47619048*a-4.5 = 0 // + 4.5

0.47619048*a = 4.5 // : 0.47619048

a = 4.5/0.47619048

a = 9.44999992

a = 9.44999992

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